C.O.P.S. Camp helps families of fallen officers heal Web Extra: Father and son say C.O.P.S. Camp made them stronger Derwinn Magruder lost his wife, Liz, a police officer in Prince George's County, Md., in 2002, when she was gunned down while serving a psychiatric petition. His son, Devinn, was just 3. They've been coming to C.O.P.S. camp for the last seven years to heal. At 14, Devinn is graduating from the camp this year. Jeff Pegues reports.