A group of suspects with a pack mentality who kill for the thrill of it are the subjects of a BAU manhunt.
Rush and Valens reopen the 1987 case of a high-school basketball star who was stabbed to death hours after leading his team to the state championship.
Jones accidentally shoots a 13-year-old boy while in pursuit of a murder suspect; a man with a record of beating his girlfriend is found dead.
Monk tries to figure out why a death row inmate was murdered 45 minutes before his execution. Guest stars include Tim Curry, Kathy Baker, John Cothran and Danny Trejo.