Double Murder Seen as Part of Man’s Quest to Kill Sex Offenders Jack Levin, a criminologist who is co-director of the Brudnick Center on Violence and Conflict at Northeastern University, said it was likely that Mr. Moody possessed a common trait among killers. “Serial killers often attempt to justify their killing sprees, and they usually do it by dehumanizing their victims,” Dr. Levin said. But the case in South […]