No person, for the same offense, shall twice be put in jeopardy of life or liberty; nor shall a person again be put on trial for the same offense after a verdict of not guilty in a court of competent jurisdiction.
Tex. Const. art. 1, § 14, under Bill of Rights.
Tex. Const. art. 1, § 14
DOUBLE JEOPARDY
No person, for the same offense, shall twice be put in jeopardy of life or liberty; nor shall a person again be put on trial for the same offense after a verdict of not guilty in a court of competent jurisdiction.