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The L and L Law Group team at our Frisco, Texas office — co-founding partners Reggie London and Njeri London with staff
Our Frisco officeEst. 2011
The L and L Law Group team·Frisco, Texas
Defensa Criminal de Texas

Defensa de Criminally Negligent Homicide en Texas — Texas marco de defensa

Los cargos penales en Texas se acusan bajo el Penal Code y se procesan bajo el Code of Criminal Procedure en los nueve condados de DFW que atendemos. Los socios cofundadores de L and L Law Group, PLLC supervisan cada caso de criminally negligent homicide, atacan el elemento de criminal negligence vs ordinary negligence, y manejan directamente las negociaciones y el juicio.

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Editorial note. This article is general legal information published by L and L Law Group, PLLC, a Texas Bar–licensed law firm. It is not legal advice for any specific case. No attorney-client relationship arises until a written engagement is signed. Reviewed by Njeri London (TX Bar 24043266) and Reggie London (TX Bar 24043514) on 2026-05-18.

Elementos de criminally negligent homicide bajo sección 19.05

Penal Code sección 19.05 tipifica el delito cuando una persona causes the muerte de un individual por criminal negligence. Los elementos:

  • Conduct. Cualquier acto u omission del acusado que cause death. La conducta puede ser comisión o omission.
  • Causation. El acto u omission del acusado debe causar la muerte. Bajo Penal Code sección 6.04, causation requiere (a) but-for causation y (b) proximate causation. Intervening causes pueden break the causal chain.
  • Death. La muerte de un individual humano. Penal Code sección 1.07(a)(26) define individual.
  • Criminal negligence (mens rea). Penal Code sección 6.03(d) define criminal negligence: "Una persona actua con criminal negligence, o esta criminally negligent, con respect a circumstances surrounding her conduct or the result of her conduct cuando ella deberia ser aware of a substantial and unjustifiable risk that the circumstances exist or the result will occur. El risk debe ser de tal naturaleza y grado que la failure to perceive it constituye a gross deviation from the standard of care that an ordinary person would exercise under all the circumstances as viewed from the actor's standpoint."

El elemento de criminal negligence tiene cuatro requisitos concurrentes:

  1. Substantial risk. El riesgo debe ser substantial — no leve o speculative.
  2. Unjustifiable risk. El riesgo no debe ser justificable. Many activities carry some risk; the question is whether the benefit warrants the risk.
  3. Should have been aware. El acusado deberia haber sido aware del riesgo bajo standard de ordinary person en circumstances similares. La actual awareness no es required — eso seria recklessness (manslaughter).
  4. Gross deviation from standard of care. El failure to perceive el riesgo debe constituir gross deviation from standard que ordinary person ejerceria. Mere negligence is insufficient — criminal negligence is significantly more culpable.

Casos importantes: Tello v. State, 180 S.W.3d 150 (Tex. Crim. App. 2005), elabora los elementos. Brooks v. State, 323 S.W.3d 893 (Tex. Crim. App. 2010), establece sufficiency standard.

Criminally negligent homicide bajo Penal Code sección 19.05 es la forma menos grave de criminal homicide en Texas — state jail felony con rango de 180 días a 2 años en state jail facility (no TDCJ) y multa hasta $10,000. El delito tipifica causar death por criminal negligence como definida bajo Penal Code sección 6.03(d): el acusado deberia haber sido aware de un sustancial e injustificable riesgo de muerte, aunque conscientemente no lo era. La distinción con manslaughter (sección 19.04 — reckless killing, segundo grado de felonía) y con murder (sección 19.02 — intencional/consciente killing, primer grado de felonía) es central — solo difiere en el mens rea del acusado, pero las consecuencias varían drasticamente.

Casos comunes de criminally negligent homicide incluyen vehicular accidents non-intoxication, accidents con armas de fuego, deaths durante medical care, deaths de niños por negligence supervisional, industrial accidents, y deaths durante actividades recreacionales. La fiscalía frecuentemente sobre-carga el caso como manslaughter cuando criminally negligent homicide es mas apropiado, o como criminally negligent homicide cuando ningun cargo criminal es apropiado (ordinary civil negligence). La defensa atacar el grado de awareness es central.

L and L Law Group, PLLC defiende cargos de criminally negligent homicide en los nueve condados de DFW que atendemos. Los socios cofundadores Reggie London (State Bar #24043514) y Njeri London (State Bar #24043266) garantizan revisión de un abogado en cada etapa. Para una revisión gratuita y confidencial, llame al (972) 370-5060.

Mens rea hierarchy: criminal negligence vs recklessness vs intent

El Texas Penal Code reconoce cuatro mens rea levels bajo sección 6.03, en orden descendente de culpabilidad:

Mens reaDefiniciónSostieneGrado
Intentional (sec. 6.03(a))Conscious objective o desireMurder bajo sec. 19.02(b)(1)Primer grado de felonía (5-99 años o vida)
Knowing (sec. 6.03(b))Aware that result is reasonably certainMurder bajo sec. 19.02(b)(1)Primer grado de felonía (5-99 años o vida)
Reckless (sec. 6.03(c))Aware of substantial/unjustifiable risk and conscientemente disregardsManslaughter bajo sec. 19.04Segundo grado de felonía (2-20 años)
Criminal negligence (sec. 6.03(d))Should be aware of substantial/unjustifiable risk; gross deviation from standard of careCriminally negligent homicide bajo sec. 19.05State jail felony (180 días-2 años)

La distinción mas critica para criminally negligent homicide es vs recklessness (manslaughter). Ambos involve substantial y unjustifiable risk, but reckless requires conscious awareness del riesgo plus conscious disregard; criminally negligent requires only that el acusado should have been aware aunque conscientemente no era. La diferencia es subjective awareness vs objective standard.

Esta distinción es central en plea negotiations y trial strategy. Manslaughter es 3g-listed bajo CCP Art. 42A.054 con community supervisión restringida; criminally negligent homicide NO es 3g-listed. Manslaughter es 2-20 años TDCJ; criminally negligent homicide es 180 días-2 años state jail facility — drasticamente less severe. La defensa frequently negotiates manslaughter reduced to criminally negligent homicide.

Common factual scenarios — vehicular, firearm, supervisional

Criminally negligent homicide es most frecuentemente charged en three categorical scenarios:

Scenario 1: Vehicular death non-intoxication

High-speed accidents, distracted driving, failure to yield, reckless driving — when no alcohol o drugs are involved (those would be intoxication manslaughter bajo sección 49.08). The Estado must prove conduct constituting gross deviation from ordinary driver standard — mere traffic violations sin gross deviation are insufficient. Tello v. State, 180 S.W.3d 150 (Tex. Crim. App. 2005), addresses sufficiency in vehicular criminally negligent homicide.

Defenses incluyen: (a) ordinary negligence vs criminal negligence — significant elevation required; (b) lack of awareness vs awareness — distinguishing from recklessness; (c) intervening cause — actions of victim or third party breaking causal chain; (d) sudden emergency doctrine; (e) mechanical failure not attributable to defendant.

Scenario 2: Firearm accidents

Accidental discharge during hunting, target practice, cleaning, show-and-tell. The Estado must prove gross deviation from standard of care expected of reasonable firearm owner. Defenses include: (a) unforeseeable malfunction; (b) reasonable safety precautions taken; (c) intervening cause by victim or third party; (d) defective firearm or ammunition not attributable to defendant.

Scenario 3: Child supervisión deaths

Pool drownings, bathtub drownings, deaths in unsupervised situations, deaths from heat exposure in vehicles, deaths from access to firearms or medications. The Estado must prove gross deviation from standard expected of reasonable caregiver. Defenses include: (a) reasonable supervisión under circumstances; (b) momentary lapse vs gross deviation; (c) intervening causes; (d) ordinary negligence vs criminal negligence threshold.

Other scenarios: industrial accidents (workplace deaths), medical care deaths (typically not charged absent egregious conduct), recreational activity deaths (extreme sports, etc.), pedestrian deaths from drivers.

Lesser-included offense en murder/manslaughter trials

Criminally negligent homicide is lesser-included offense de manslaughter (which is lesser-included de murder). When the Estado charges murder or manslaughter, the defense frequently requests lesser-included instruction on criminally negligent homicide. El jury can convict on the lesser offense if it finds the mens rea required for the greater offense was not proven beyond reasonable doubt.

For the lesser-included instruction to be required, two-prong test bajo Hall v. State, 225 S.W.3d 524 (Tex. Crim. App. 2007):

  1. The lesser offense is within proof of the charged offense. Criminally negligent homicide elements are subset de murder/manslaughter elements (just different mens rea).
  2. Some evidence in the record would permit jury to rationally find that if defendant is guilty, he is guilty only of the lesser offense. Evidence supporting reduced mens rea — defendant's testimony of unawareness, expert testimony on mens rea, circumstances suggesting only criminal negligence.

The lesser-included strategy is significant because: (a) criminally negligent homicide carries dramatically lower sentence (180 days-2 years vs 2-20 manslaughter or 5-99 murder); (b) state jail felony classification rather than TDCJ; (c) not 3g-listed; (d) eligibility for community supervisión is broader; (e) parole and good-conduct credit accumulation is more favorable. Negotiating murder/manslaughter charges down to criminally negligent homicide es one of the most valuable plea outcomes in violent crime defense.

Punishment: state jail felony bajo sección 19.05(b)

Criminally negligent homicide is state jail felony bajo subsection (b) of sección 19.05. Penal Code sección 12.35 governs state jail felony punishment range:

  • 180 days to 2 years en state jail facility. NOT TDCJ. State jail facilities are separate institutions managed by TDCJ but distinct from prison. Generally less harsh conditions, but no good-conduct credit acceleration like prison.
  • Fine up to $10,000.
  • Day-for-day calculation. State jail sentences are typically served day-for-day without good-conduct credit. This makes the actual time served longer relative to TDCJ time for equivalent nominal sentences.
  • Community supervisión available. Bajo CCP Art. 42A.551(a)(2), judge can place defendant on community supervisión in lieu of state jail sentence. For state jail felonies generally, community supervisión is presumed.
  • Probationary period. If on community supervisión, period can be up to 5 years bajo Art. 42A.103.

For comparison: manslaughter (sec. 19.04, segundo grado de felonía, 2-20 años TDCJ, 3g-listed, restrictive community supervisión); murder (sec. 19.02, primer grado de felonía, 5-99 años o vida TDCJ, 3g-listed, very restrictive community supervisión). The differential between criminally negligent homicide and manslaughter is dramatic — the state jail/TDCJ distinction, the sentence range, the 3g listing, the community supervisión eligibility — all favor criminally negligent homicide.

Defenses — causation, mens rea, intervening cause

Defenses to criminally negligent homicide:

  • Failure of mens rea (criminal negligence). El estándar es high — gross deviation from ordinary person standard. Mere ordinary negligence is insufficient. The defense attacks: (a) whether risk was substantial; (b) whether risk was unjustifiable considering context y purpose; (c) whether ordinary person en circumstances similares would have been aware; (d) whether conduct constituted gross deviation rather than mere deviation.
  • Failure of causation. El acto u omission debe causar la muerte. Penal Code sección 6.04 requires "but-for" causation y "proximate" causation. Intervening causes breaking the chain — actions of victim, third parties, unforeseeable events.
  • Sudden emergency doctrine. In vehicular cases particularly, sudden emergency not caused by defendant's own conduct may break causation or negate mens rea — driver reacting to sudden emergency cannot be held to same standard as driver acting deliberately.
  • Victim contribution. If victim's own conduct contributed to death (e.g., pedestrian darting into traffic, victim refusing safety equipment), this may negate causation or mitigate culpability.
  • Lack of foreseeability. If specific harm was unforeseeable, criminal negligence may not be established. Bizarre or unforeseeable consequences may break proximate cause.
  • Mistake of fact bajo sec. 8.02. If defendant's mistaken belief negated the mens rea, defense may apply.
  • Statute of limitations. Criminally negligent homicide has 3-year limitations period bajo CCP Art. 12.01(7). For deaths discovered late, limitations may bar prosecution.
  • Suppression of evidence. Fourth Amendment, Miranda, voluntary statements — all standard suppression doctrines apply.

Civil vs criminal distinction is important. Civil negligence (tort) requires only ordinary negligence — failure to use reasonable care. Criminal negligence requires gross deviation. Many fatal accidents result in civil liability but not criminal liability. The defense frequently emphasizes that the case is a tragic accident appropriately handled in civil court, not criminal court.

Pretrial diversions, community supervisión, deferred adjudication

For criminally negligent homicide, múltiple resolution paths are available:

  • Outright dismissal. If evidence sufficiency is weak, if causation is questionable, if criminal negligence cannot be proven beyond ordinary negligence, dismissal is possible. Defense advocacy in pretrial phase frequently leads to dismissal.
  • Reduction to misdemeanor. In some cases, criminally negligent homicide can be reduced to lesser misdemeanors — deadly conduct (sec. 22.05), reckless driving (transportation code), or similar. The reduction depends on facts and prosecutor discretion.
  • Pretrial diversion. For first-time offenders, some DFW counties offer pretrial diversion programs. Successful completion dismisses charges.
  • Deferred adjudication bajo CCP Art. 42A.101. Plea guilty/no contest, court defers adjudication, places on community supervisión (up to 5 years for state jail felonies). Successful completion dismisses charges without conviction.
  • Community supervisión in lieu of jail. Even with conviction, judge can place defendant on community supervisión rather than imposing state jail sentence. State jail felonies have presumption of community supervisión.
  • Plea to state jail with credit for time served. For defendants who have been incarcerated pretrial, plea may result in credit-for-time-served disposition allowing immediate release.

The defense strategy depends on individual circumstances. Sympathetic defendants (single accidents without prior history) often qualify for diversion or deferred adjudication. Defendants with prior records or aggravating circumstances may face more limited options.

Estrategia de L and L Law Group para criminally negligent homicide

L and L Law Group, PLLC aborda cada caso de criminally negligent homicide with intensive factual investigation. Revisión incluye:

  • Affidavit de arresto, complete police reports, supplemental reports, body cam y dash cam;
  • 911 calls, radio traffic, dispatch records;
  • Accident reconstruction reports — for vehicular cases, independent accident reconstruction by qualified expert;
  • Medical records — autopsy, medical examiner reports, emergency treatment records;
  • Forensic evidence — toxicology of victim and defendant, DNA, ballistics for firearm cases, evidence of mechanical failure for vehicular cases;
  • Witness statements — all versions, prior inconsistencies, background checks for credibility;
  • Surveillance video — store cameras, traffic cameras, dash cameras, doorbell cameras;
  • Cell phone forensics — texting, calls, GPS data for vehicular cases;
  • Maintenance records — for vehicular cases, vehicle maintenance history; for firearm cases, firearm purchase y storage history;
  • Defendant background — driving history, weapons training, professional credentials, prior incidents, no priors of violence;
  • Defendant's state of mind evidence — texts, calls, statements to others suggesting unawareness of risk;
  • Industry standards — for accidents involving professional activities, applicable industry standards y best practices.

Frequently engages accident reconstruction experts, biomechanical engineers, mechanical engineers, forensic pathologists, ballistics experts, medical experts, y industry experts depending on case type. For vehicular cases, reconstruction frequently reveals causation issues, mechanical failures, or victim contribution that mitigate or eliminate criminal liability.

Para casos charged as manslaughter or murder, we actively pursue lesser-included instruction y plea negotiation to reduce to criminally negligent homicide. Para criminally negligent homicide charges themselves, we pursue dismissal, reduction to misdemeanor, pretrial diversion, or deferred adjudication where appropriate.

Los socios cofundadores Reggie London (Bar #24043514) y Njeri London (Bar #24043266) garantizan revisión de un abogado en cada etapa. Llame al (972) 370-5060 para una consulta gratuita y confidencial.

Preguntas frecuentes

Cual es la diferencia entre criminally negligent homicide, manslaughter, y murder?

Solo difieren en mens rea (estado mental del acusado): murder bajo sección 19.02 requiere intencional o consciente killing (primer grado de felonía, 5-99 años o vida); manslaughter bajo sección 19.04 requiere reckless killing — aware of substantial/unjustifiable risk and conscientemente disregards (segundo grado de felonía, 2-20 años, 3g-listed); criminally negligent homicide bajo sección 19.05 requiere criminal negligence — should have been aware of substantial/unjustifiable risk although consciously was not (state jail felony, 180 días-2 años). La distinción central es subjective awareness (recklessness/manslaughter) vs objective should-have-known standard (criminal negligence/criminally negligent homicide).

Que es criminal negligence bajo Penal Code sección 6.03(d)?

Penal Code sección 6.03(d) define criminal negligence: una persona actua con criminal negligence cuando ella deberia ser aware de un substantial and unjustifiable risk que las circumstances exist or the result will occur. El risk debe ser de tal naturaleza y grado que el failure to perceive constituye gross deviation from the standard of care that an ordinary person would exercise under all the circumstances as viewed from the actor's standpoint. Cuatro requisitos: (1) substantial risk; (2) unjustifiable risk; (3) should have been aware (objective standard); (4) gross deviation from ordinary standard of care. Mere ordinary negligence (failure to use reasonable care) is insufficient — must be gross deviation.

Cuanto tiempo puedo ser sentenciado por criminally negligent homicide?

Es state jail felony bajo Penal Code sección 12.35: 180 días a 2 años en state jail facility (NOT TDCJ — separate institution con generally less harsh conditions but no good-conduct credit acceleration), mas multa hasta $10,000. State jail sentences are typically served day-for-day without good-conduct credit acceleration. Community supervisión is frequently available bajo CCP Art. 42A.551(a)(2) — judge can place defendant on community supervisión in lieu of state jail sentence. Probationary period can be up to 5 years bajo Art. 42A.103. Compared to manslaughter (2-20 años TDCJ, 3g-listed) or murder (5-99 años o vida TDCJ), criminally negligent homicide is drasticamente less severe.

Mi accidente vehicular causo muerte — sera cargo de criminally negligent homicide?

Depende. Si alcohol/drogas involved, charge will be intoxication manslaughter bajo sección 49.08 (segundo grado de felonía, 2-20 años, 3g-listed). Sin intoxication, mostly likely charge spectrum: (a) no criminal charge if accident was ordinary negligence (most fatal accidents); (b) criminally negligent homicide if conduct constituted gross deviation from ordinary driver standard; (c) manslaughter if defendant was aware of substantial/unjustifiable risk and consciously disregarded; (d) murder if intentional or knowing. Tello v. State, 180 S.W.3d 150 (Tex. Crim. App. 2005), addresses sufficiency in vehicular criminally negligent homicide. Defenses include sudden emergency doctrine, intervening cause, victim contribution, mechanical failure.

Que es la lesser-included offense strategy en murder/manslaughter trials?

Criminally negligent homicide es lesser-included offense de manslaughter (which is lesser-included de murder). When Estado charges murder or manslaughter, defense frequently requests lesser-included instruction on criminally negligent homicide. Jury can convict on lesser if it finds mens rea required for greater not proven beyond reasonable doubt. Hall v. State, 225 S.W.3d 524 (Tex. Crim. App. 2007), establece two-prong test: (1) lesser offense within proof of charged offense; (2) some evidence permitting rational finding of guilt only of lesser. Strategy is valuable because criminally negligent homicide carries dramatically lower sentence and consequences. Successful jury verdict on lesser-included reduces from primer grado felonía (5-99 años murder) or segundo grado felonía (2-20 años manslaughter) to state jail felony (180 días-2 años).

Puedo obtener community supervisión para criminally negligent homicide?

Si — community supervisión es presumida disponible para state jail felonies. Bajo CCP Art. 42A.551(a)(2), judge can place defendant on community supervisión in lieu of state jail sentence. Deferred adjudication bajo CCP Art. 42A.101 also disponible — plead guilty/no contest, court defers adjudication, places on community supervisión for up to 5 years. Successful completion dismisses charges without conviction. Pretrial diversion programs en some counties also available para first-time offenders. La elegibilidad para each option depends on specific facts y prior record. Las opciones son sustancialmente better que para manslaughter (3g-listed, restrictive community supervisión) o murder (3g-listed, very restrictive).

Que pasa si la víctima contribuyo al accidente?

Victim contribution puede ser relevant para causation y mens rea. Bajo Penal Code sección 6.04, causation requiere both "but-for" causation y "proximate" causation. Si victim's own conduct was significant cause of death (pedestrian darting into traffic, victim refusing safety equipment, victim engaging in dangerous activity), this may break causal chain or mitigate culpability. Comparative negligence concepts (civil tort) don't directly apply en criminal cases, but defense can use victim contribution to argue: (a) lack of foreseeability; (b) intervening cause breaking causal chain; (c) absence of gross deviation by defendant. Defense investigation independently develops victim background, conduct, and contribution to incident.

Que es la distinción entre ordinary negligence y criminal negligence?

Esto es central. Ordinary negligence (civil tort standard) requires only failure to use reasonable care — minor deviations from standard of care can sustain civil liability. Criminal negligence (Penal Code sección 6.03(d)) requires gross deviation from standard of care — significantly more culpable conduct. Many fatal accidents result in civil liability but not criminal liability. Failure to perceive risk that ordinary person would perceive is ordinary negligence; failure to perceive risk that constitutes gross deviation from ordinary care is criminal negligence. Defense frequently emphasizes that case is tragic accident appropriately handled in civil court, not criminal court — civil damages, civil settlement, civil judgment all appropriate; criminal punishment is not.

Que pasa si soy non-citizen y soy convicto de criminally negligent homicide?

Las immigration consequences son significant. Criminally negligent homicide may be categorized as crime involving moral turpitude depending on circumstances — particularly cases involving extreme indifference to human life. Aggravated felony designation typically requires 1+ year sentence — state jail felony with 1+ year sentence may qualify. Padilla v. Kentucky, 559 U.S. 356 (2010), requires defense counsel to advise of immigration consequences. Pretrial diversion or deferred adjudication sin formal conviction may provide better immigration outcome. Si eres non-citizen, advisable consultar both criminal defense attorney y immigration attorney antes de aceptar cualquier plea. Detailed analysis of specific charge, sentence, y disposition is required.

Como aborda L and L Law Group una defensa de criminally negligent homicide?

Inmediata revisión: affidavit, police reports, body cam, 911 calls, accident reconstruction reports, medical records, forensic evidence (toxicology, DNA, ballistics, mechanical failure evidence), witness statements (all versions), surveillance video, cell phone forensics, maintenance records, defendant background (driving history, weapons training, professional credentials, no priors), state of mind evidence, industry standards. Frequently engages accident reconstruction experts, biomechanical engineers, forensic pathologists, ballistics experts, medical experts, industry experts. Para casos charged as manslaughter or murder, actively pursue lesser-included instruction y plea negotiation para reducir to criminally negligent homicide. Para criminally negligent homicide charges themselves, pursue dismissal, reduction to misdemeanor, pretrial diversion, or deferred adjudication. Los socios cofundadores Reggie London (Bar #24043514) y Njeri London (Bar #24043266) garantizan revisión de un abogado en cada etapa en los nueve condados de DFW. Llame al (972) 370-5060 para una consulta gratuita y confidencial. El resultado de su caso depende de los hechos especificos; resultados pasados no garantizan resultados futuros.

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