Michael Casillas

Michael Casillas

Michael Casillas

Senior Trial Attorney

Michael R. Casillas is a Senior Trial Attorney at L & L Law Group, PLLC and a Board-Certified criminal defense lawyer with more than three decades of experience representing clients in complex and high-stakes criminal cases. Licensed in Texas since 1991, Michael has built a distinguished career focused on criminal trial and appellate advocacy.

Board certified in both Criminal Law and Criminal Appellate Law by the Texas Board of Legal Specialization, Michael is recognized for his advanced expertise, substantial trial experience, and deep knowledge of criminal procedure. This distinction is held by only a small percentage of attorneys and reflects his commitment to excellence in the practice of criminal law.

Michael earned his Juris Doctor from the University of Texas School of Law and began his legal career in the criminal justice system, gaining valuable insight into both trial and appellate practice. Over the course of his career, he has handled a wide range of criminal matters and has extensive experience litigating cases at both the state and federal levels, including admissions to the United States Supreme Court and the Fifth Circuit Court of Appeals.

Known for his strategic approach and courtroom presence, Michael thoroughly analyzes every case, challenges the State’s evidence, and develops tailored defense strategies designed to achieve dismissals, favorable resolutions, or successful trial outcomes. His appellate experience further strengthens his ability to identify legal issues early and preserve them for review—providing an added layer of protection for his clients.

As a Senior Trial Attorney, Michael plays a key leadership role within the firm, assisting with complex case strategy and mentoring attorneys to ensure that every client of L & L Law Group receives aggressive, high-level representation.