State Police, MercerA man sentenced to two to four years in state prison in July 2017 for possessing contraband in the Butler County Prison has been arrested for allegedly possessing contraband in the state prison where he was incarcerated.Correction officers allegedly found David D. Graczyk, 33, who is an inmate at the Mercer State Correctional Institute, to be in possession of a controlled substance on April 4.Graczyk was in the Butler County Prison for providing a drug-free urine sample to another in 2014.