Cause of death unknown in police custody death

Angelina Perez

Amarillo, TX- Preliminary autopsy results are in for the man who was killed while in police custody.

Kelly Sinclair died after officers shot him with a taser, to keep him from killing himself with a butcher knife.

Sinclair's cause of death is undetermined pending toxicology and microscopic results.

He tested positive for narcotics.

The Amarillo Police Department sent a subpoena for medical records to see if Sinclair suffered any psychological problems.