Criminal Minds: Season 5, Episode 1

5 - 1: Nameless, Faceless

While still recovering from the events in "To Hell and Back", Rossi, Morgan, Reid and JJ are called by local police to help profile a killer who's targeting an emergency room doctor and his son, believing that the doctor is responsible for the death of someone the UnSub knew. During the search Prentiss realizes that Hotch is missing and the team eventually discover that the Reaper has attacked Hotch and also taken personal information in regards to Haley and Jack's whereabouts, forcing the two of them to be put into government protection for their own safety