SAN ANTONIO – A female inmate is dead after being found unresponsive Monday morning at the Bexar County Adult Detention Center - Annex.

The 41-year-old inmate was found unresponsive during a scheduled check by a detention officer around 8:15 Monday morning, according to the Bexar County Sheriff’s Office.

The BCSO medical staff initiated lifesaving measures and the woman was transported to Downtown Baptist Hospital where she was pronounced dead.

BCSO said it appears she died of natural causes or cardiac arrest but the final determination will be made by the Bexar County Medical Examiner’s Office.

The Criminal Investigation Division and Internal Affairs is investigating this case.