Plain-Language Definitions
Texas Criminal Defense Glossary
47 essential terms from the Texas criminal court system, each with statute or case citations.
Use Ctrl+F to search this page for a specific term. Each definition includes the relevant Texas statute or U.S. Supreme Court case where applicable.
- Acquittal
- A jury or judge finding of not guilty. An acquittal generally bars retrial under the Double Jeopardy Clause of the Fifth Amendment.
- Affirmative Finding of Family Violence
- A judicial determination under Texas Code of Criminal Procedure art. 42.013 that an offense involved family violence. Triggers federal firearms ban under 18 U.S.C. § 922(g)(9).
- ALR Hearing
- Administrative License Revocation hearing under Texas Transportation Code Chapter 524 — civil proceeding to challenge DWI license suspension. Must be requested within 15 days of arrest.
- Arraignment
- First court appearance after charges are filed where the defendant enters a plea. In Texas felony cases, occurs after indictment.
- BAC (Blood Alcohol Concentration)
- Measurement of alcohol in the blood. Texas DWI threshold is 0.08 (0.04 commercial drivers, any amount under 21).
- Bond
- Money or property pledged to secure pretrial release. Forms include cash bond, surety bond (bail bondsman), and personal recognizance (PR) bond.
- Brady Material
- Exculpatory or impeachment evidence the prosecution must disclose to the defense under Brady v. Maryland, 373 U.S. 83 (1963).
- Castle Doctrine
- Texas Penal Code § 9.32(b) — presumption that deadly force is reasonable when used against someone unlawfully entering an occupied home, vehicle, or workplace.
- Certification
- Texas juvenile court order under Family Code § 54.02 transferring a minor to adult criminal court for prosecution.
- Class A Misdemeanor
- Texas misdemeanor punishable by up to 1 year in county jail and a fine up to $4,000.
- Class B Misdemeanor
- Texas misdemeanor punishable by up to 180 days in county jail and a fine up to $2,000.
- Class C Misdemeanor
- Texas misdemeanor punishable by fine only, up to $500.
- Cooperation Agreement
- Federal plea agreement where the defendant provides substantial assistance to the government in exchange for a USSG § 5K1.1 sentence reduction.
- Deferred Adjudication
- Texas community supervision under Code of Criminal Procedure art. 42A.101 where the judge defers a finding of guilt; successful completion results in dismissal.
- Discovery
- Pre-trial exchange of evidence between prosecution and defense, governed in Texas by the Michael Morton Act (Code of Criminal Procedure art. 39.14).
- Driving While Intoxicated (DWI)
- Texas Penal Code § 49.04 offense of operating a motor vehicle in a public place while intoxicated.
- Expunction
- Texas Code of Criminal Procedure art. 55 procedure to completely erase an arrest record.
- Exclusionary Rule
- Doctrine that evidence obtained in violation of constitutional rights is inadmissible. Codified in Texas under Code of Criminal Procedure art. 38.23.
- Felony
- Texas crime punishable by more than one year of incarceration. Categories: state jail, third-degree, second-degree, first-degree, capital.
- First-Degree Felony
- Texas felony punishable by 5 to 99 years or life in TDCJ and up to $10,000 fine.
- Grand Jury
- Panel of 12 citizens that determines probable cause for felony indictment under Texas Code of Criminal Procedure Chapter 19.
- Indictment
- Formal charging document in felony cases issued by grand jury (true bill).
- Intoxication Manslaughter
- Texas Penal Code § 49.08 — second-degree felony when DWI causes death; first-degree if victim is peace officer/firefighter/EMS.
- Magistration
- Initial appearance before a judge under Code of Criminal Procedure art. 15.17, within 24-48 hours of arrest, where charges are read and bond is set.
- Miranda Warning
- Required disclosure of Fifth and Sixth Amendment rights before custodial interrogation, from Miranda v. Arizona, 384 U.S. 436 (1966).
- Misdemeanor
- Texas crime punishable by fine and/or up to 1 year in county jail. Classes A, B, and C.
- Motion to Suppress
- Pre-trial motion to exclude evidence obtained in violation of constitutional rights, filed under Texas Code of Criminal Procedure art. 38.23.
- Non-Disclosure Order
- Texas Government Code § 411.071 order sealing a criminal record from most public background checks; available for certain deferred adjudications.
- Pinkerton Liability
- Federal doctrine from Pinkerton v. United States, 328 U.S. 640 (1946), holding co-conspirators liable for foreseeable acts of others in furtherance of the conspiracy.
- Plea Bargain
- Negotiated agreement between defense and prosecution resolving a criminal case without trial.
- Pre-Trial Diversion
- Program allowing dismissal of charges upon completion of community service, restitution, classes, or other requirements.
- Probable Cause
- Standard required for arrest, search warrants, and indictment — facts sufficient to warrant a reasonable person to believe a crime occurred.
- Probation
- Court-supervised release in lieu of incarceration, with specific conditions the defendant must meet.
- Protective Order
- Civil court order issued under Texas Family Code Chapters 71-87 prohibiting contact, proximity, or specific conduct.
- Reasonable Suspicion
- Lower standard than probable cause; required for brief investigative detentions under Terry v. Ohio, 392 U.S. 1 (1968).
- Restitution
- Court-ordered payment to victims to compensate for losses caused by the offense.
- Safety Valve
- Federal sentencing provision under 18 U.S.C. § 3553(f) allowing first-time non-violent drug offenders to receive sentences below mandatory minimums.
- Second-Degree Felony
- Texas felony punishable by 2 to 20 years in TDCJ and up to $10,000 fine.
- Sentencing Guidelines
- Federal guidelines (USSG) that calculate recommended sentence ranges based on offense level and criminal history.
- Speedy Trial Act
- Federal statute (18 U.S.C. § 3161) requiring trial within 70 days of indictment, subject to many exclusions.
- State Jail Felony
- Texas felony punishable by 180 days to 2 years in state jail and up to $10,000 fine. Day-for-day with no good time credit.
- Suppression
- Court order excluding illegally obtained evidence from trial.
- TDCJ
- Texas Department of Criminal Justice — operates Texas state prisons for felony sentences over 2 years.
- Third-Degree Felony
- Texas felony punishable by 2 to 10 years in TDCJ and up to $10,000 fine.
- TXED
- United States District Court for the Eastern District of Texas — federal court covering Sherman, Plano, Tyler, Beaumont, Marshall, Texarkana, Lufkin.
- TXND
- United States District Court for the Northern District of Texas — federal court covering Dallas, Fort Worth, Amarillo, Lubbock, San Angelo, Wichita Falls.
- Voir Dire
- Jury selection process where attorneys question potential jurors to identify bias or prejudice.
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