An inmate at the Stanley Correctional Institution has been charged with attacking another inmate inside the prison.
53-year old John Dupla of Green Bay has been charged with battery by a prisoner, and substantial battery stemming from the October 13th fight.
According to the criminal complaint, Dupla punched another inmate in a room at the prison, chipping the victim’s tooth. Witnesses said Dupla threw a closed-fist punch. Online court records show Dupla was convicted of burglary on 2 separate occasions, the most recent on in Brown County in 2006.