Tex. Code Crim. Proc. art. 23.18

The return of the capias shall be made to the court from which it is issued. If it has been executed, the return shall state what disposition has been made of the defendant. If it has not been executed, the cause of the failure to execute it shall be fully stated. If the defendant has not been found, the return shall further show what efforts have been made by the officer to find him, and what information he has as to the defendant's whereabouts.