Cumberland County District Attorney Seán M. McCormack will hold a press conference on Monday, June 15th at 11 AM to announce that an arrest has been made in a 'cold case' homicide from 2015. On May 1, 2015, John Wesley Alleman, 68 years-old was shot and killed in his Middlesex Township home. The recent arrest made in this case has been under seal for investigative purposes. The press conference will be held in the Historic Courtroom (2nd floor) in the Old Cumberland County Courthouse (2 Courthouse Square, Carlisle, PA 17013).