COLUMBUS -- On Wednesday, the State Highway Patrol released the final report on Ariel Castro's death investigation.

The Franklin County coroner ruled the death a suicide.

On Tuesday, consultants Lindsay M. Hayes and Fred Cohen for the Ohio Department of Rehabilitation and Correction released a 25-page report that also concluded that Castro committed suicide in his cell at the Correctional Reception Center in Orient, Ohio, and did not die of auto-erotic asphyxiation.

The consultants were asked to review incidences of suicides in the Ohio prison system, where 32 people killed themselves in the five-year period beginning in 2009. Ten suicides were reported this year, the report states.

The consultants looked at two cases in-depth including the high-profile case of Castro, who was found hanging in his cell on Sept. 3 with his shorts around his ankles. Prison officials noted that it was unclear what that meant, but the case was turned over to the State Highway Patrol "for consideration of the possibility of auto-erotic asphyxiation," the report said.

During auto-erotic asphyxiation, an individual seeks a sexual thrill by choking himself into unconsciousness.

The consultants said that all of the evidence pointed to suicide, including how Castro arranged his family pictures and a Bible in the cell. Subsequent reviews by the State Highway Patrol and the Franklin County coroner reached the same conclusion, the report said.

Castro, 53, was facing life without parole plus 1,000 years for holding three women -- Amanda Berry, Gina DeJesus and Michelle Knight -- captive and raping them for more than a decade in his Seymour Avenue home in Cleveland.

He was found hanging from a sheet attached to a window hinge.