evidence: Art. 18B.153. ADMISSIBILITY OF EVIDENCE OBTAINED. The state may not use as evidence in a criminal proceeding any information gained through the use of a pen register or trap and trace device installed under this subchapter if an authorized peace officer: [...] Art. 18B.326. CERTAIN EVIDENCE NOT ADMISSIBLE. The state may not use as evidence in a criminal proceeding any information obtained through the required disclosure of location information described by Article 18B.321(a), unless: [...] (6) to a law enforcement agency if the contents were obtained inadvertently by the service provider and the contents appear to pertain to the commission of an offense; or (7) as authorized under federal or other state law.