At 14, Donovan Nicholas killed Heidi Taylor, his dad's longtime girlfriend, in their Ohio home in 2018, claiming 'Jeff the Killer' lived inside of him ...

Boy Executes Woman Who Raised Him Then Blames Alternate Personality Based on 'Jeff the Killer' Adam Carlson. Updated Thu, September 6, 2018 at 3:00 PM UTC.

The Ohio Supreme Court in a split vote reversed the conviction of a Champaign County man who claimed his second personality, “Jeff the Killer,” killed his father's girlfriend in 2017.

COLUMBUS — Donovan Nicholas, who claimed alternative personality “Jeff the Killer” was responsible for killing his father’s live-in girlfriend in 2017, is headed back to Champaign County ...