What Does 5-0 Mean? Slang for Police + Texas Encounters Guide
Co-Founding Partners
Texas Bar verified. Reggie London (Texas Bar No. 24043514) and Njeri London (Texas Bar No. 24043266) are the co-founding partners of L and L Law Group, PLLC — based at 5899 Preston Rd, Suite 101 in Frisco, Texas (Collin County), with many 5-star Google reviews, and available 24/7 for criminal defense consultations.
Bottom line up front: "5-0" is slang for police, originally from the 1968 TV series Hawaii Five-O featuring Honolulu Police Department detectives. The slang spread to street vocabulary as a warning that police are present.
Slang terms and street names
The vocabulary surrounding 5-0 (police slang) shifts across regions and generations. Common terms include:
Texas legal angle
"5-0" is slang for police, originally from the 1968 TV series Hawaii Five-O featuring Honolulu Police Department detectives. The slang spread to street vocabulary as a warning that police are present.
Penalties: Resisting arrest under § 38.03: Class A misdemeanor (up to 1 year). Evading arrest under § 38.04: Class B misdemeanor first offense; state jail felony for evading by vehicle. Interfering with public duties under § 38.15: Class B misdemeanor.
Key Legal Terms
- Failure to Identify (§ 38.02)
- Texas Class C misdemeanor — only applies when defendant is lawfully arrested, lawfully detained on reasonable suspicion, or is a witness. Random citizens stopped without suspicion are not required to identify.
- Resisting Arrest (§ 38.03)
- Class A misdemeanor — intentionally preventing or obstructing a peace officer from effecting an arrest, search, or transportation by using force against the peace officer.
- Evading Arrest (§ 38.04)
- Intentionally fleeing from a peace officer attempting to lawfully arrest or detain. Class B misdemeanor first offense; state jail felony for evading by motor vehicle.
In our practice defending Texas criminal cases, we have represented clients in Collin, Dallas, Denton, and Tarrant County criminal courts on the full Texas Penal Code and Health & Safety Code spectrum. Reggie's prosecutor background in Dallas County means we know the State's evidentiary playbook; Njeri's trial-trained motion practice anchors the suppression-driven defense work.
Frequently Asked Questions
Where does the term "5-0" come from?
Is it illegal to warn others about police in Texas?
What should I do during a police encounter in Texas?
Can I record police in Texas?
What is failure to identify in Texas?
References & Authoritative Sources
About the Authors
Charged with a Texas criminal offense? Talk to L and L Law Group.
Co-founding partners Reggie London and Njeri London personally handle every case. Free consultation. Frisco, Texas.
Call (972) 370-50605-0 in Texas Criminal Law
"5-0" is street slang for police, taken from the 1968-1980 CBS television series "Hawaii Five-O." The word is protected speech and not a Texas offense in itself. Penal Code § 38.05 (Hindering Apprehension) can attach if the term is used to warn a specific wanted person of impending arrest.
Etymology and origin of “5-0”
"5-0" originated as a reference to the CBS police procedural Hawaii Five-O, which aired from 1968 to 1980 (with a 2010-2020 reboot). The "Five-O" referred to Hawaii being the 50th U.S. state. The term migrated from television shorthand into urban street vocabulary in the 1970s and 1980s and was cemented by hip-hop usage from the late 1980s forward. By the 1990s the term was generationally universal as a casual referent for police. Newer Gen-Z slang ("12," "feds") has partially displaced "5-0" in younger cohorts but the term remains common in DFW street vocabulary and continues to surface in police reports, witness statements, and jail recordings.
How “5-0” shows up in DFW cases
In Texas cases, "5-0" appears in essentially the same evidentiary contexts as "12" — social-media posts ("5-0 out tonight"), text-message warnings, cooperator transcripts, and jail recordings. Tarrant County and Dallas County prosecutors treat the word the same way they treat "12": as protected speech unless paired with specific-intent evidence of hindering a particular arrest. The term occasionally surfaces in older case files where the defendant or witnesses are from an earlier generation; younger defendants more often use "12." DFW-area officers writing reports sometimes paraphrase the term as "officers" rather than transcribing the slang directly, which can produce useful impeachment opportunities at trial when the recorded body-camera audio captures the original word but the report softens or omits it.
Texas statute mapping
Texas Penal Code § 38.05 (Hindering Apprehension), § 38.15 (Interference with Public Duties)
Using "5-0" as a casual referent for police is not a Texas offense. The criminal statutes that can attach where the term is used in context are: Penal Code § 38.05 (Hindering Apprehension or Prosecution) — Class A misdemeanor or third-degree felony depending on the underlying offense — which requires intentional conduct to harbor, conceal, aid, or warn with intent to hinder a specific arrest; Penal Code § 38.15 (Interference with Public Duties) — Class B misdemeanor — which reaches conduct (not pure speech) that interrupts an officer's duties; Penal Code § 36.06 (Obstruction or Retaliation) — third-degree felony, or second-degree where aggravators apply — which covers threats or harms against public servants; Penal Code § 36.05 (Tampering with Witness) — third-degree felony — for offering or conferring benefits to influence witness testimony. The threshold question in every "5-0" case is whether the State can establish specific intent under Brandenburg v. Ohio, 395 U.S. 444 (1969), distinguishing general advocacy from incitement to imminent lawless action.
Real-world example scenarios
- A defendant who texts a friend "5-0 around the block, lay low" minutes before officers arrive — where the friend is a known fugitive and the defendant knew of the warrant — faces credible Penal Code § 38.05 exposure.
- A defendant who posts "5-0 cracking down on Greenville Ave this weekend" as a general observation faces no realistic charging exposure absent additional evidence tying the post to a specific apprehension.
- A defendant who repeatedly approaches officers conducting a traffic stop, yells "5-0!" loudly to attract attention, and refuses to step back can face Penal Code § 38.15 (Interference with Public Duties) exposure independent of any speech content.
These are hypothetical fact patterns illustrating how charging discretion typically runs. They do not describe any specific case or outcome.
Common defenses
The dominant defense strategy in "5-0"-related charging is First Amendment protection of speech under Brandenburg. The State must prove specific intent to hinder a particular arrest, not generic anti-police speech or vague community warning. Motion practice typically targets (a) social-media posts the State seeks to introduce as evidence of intent (Rule 403 prejudice arguments and authentication challenges under Tex. R. Evid. 901), (b) cell-site and content-search warrants supporting the social-media seizure (Fourth Amendment challenges where the warrant lacks particularity or probable cause), and (c) Miranda-defective statements gathered after the post or text was produced (CCP Art. 38.22 challenges). Where the charging document alleges § 38.15 (Interference with Public Duties), the defense focuses on the conduct-not-speech distinction: the statute reaches physical interference, not verbal advocacy. Where § 36.06 (Obstruction or Retaliation) is alleged, the defense audits whether the alleged threat meets the "imminent" and "serious harm" elements.
Federal versus Texas state distinction
Federal hindering-apprehension exposure runs through 18 U.S.C. § 1071 (concealing a person from arrest), § 1073 (flight to avoid prosecution), and § 1503 (obstruction of justice). Federal jurisdiction typically attaches where the underlying investigation is led by a federal task force or where the alleged fugitive has a federal warrant. Federal sentencing under U.S.S.G. § 2J1.6 (failure to appear) or § 2J1.2 (obstruction of justice) is generally harsher than the Texas third-degree-felony equivalent.