TEXARKANA, Ark. (KTHV) -- Texarkana police are investigating the death of a 20-year-old female.

According to police, 20-year-old Morgan Angerbauer was found alone in her cell at the Bi-State Jail and in medical distress by the nursing staff early Friday morning. Efforts to revive her are said to have been made without success.

THV11 affiliate KSLA reports Angerbauer had been held since June 28 on an active felony warrant for failure to appear for a charge of possession of a controlled substance.

Her body was sent to the Arkansas State Crime Lab for autopsy.