Mr. Sliker is a full-time instructor in the Department of Criminology and Criminal Justice with over 30 years of experience in law enforcement. Mr. Sliker began his career as a law enforcement specialist in the U.S. Air Force. He had been with the North East Police Department since 1992 and specialized in the investigation of child abuse and the sexual exploitation of children. In 2014, Mr. Sliker was appointed to the position of Chief of Police with the North East Police Department, and led the Department to be awarded accredited status through the Pennsylvania Chiefs of Police Association. The North East Police Department is the only municipal police agency in Erie County to have received such a prestigious award. Mr. Sliker retired from policing in May of 2021.