What the Organized Crime Unit believes to be a mob hit, the BAU comes to believe is a serial killer connected to dozens of murders. The case escalates when an undercover agent of the OCU vanishes, possibly taken by the killer.
- Valerie Anastasias - Agent Harrison
- Jon Barton - SWAT Leader
- Larkin Campbell - Detective Brady
- Deborah Geffner - Neighbor
- Patrick Kilpatrick - Vincent Perotta
- Val Lauren - Frederick Condore
- Robert Machray - Ray
- Gonzalo Menendez - Agent Josh Cramer
- Damontre Owens - Police Detective
- Francesco Quinn - Michael Russo
- Joseph Sikora - James Baker
- John Wayne Gacy, The Killer Clown
- "Let's Do It (Let's Fall in Love)" by James Darren
- "Ain't That a Kick in the Head?" by Dean Martin
- "Tied" by Mary Arden Collins
- Jason Gideon: Hemingway wrote, "There is no hunting like the hunting of man, and those who have hunted armed men long enough and liked it, never really care for anything else."
- Jason Gideon: Carl Jung said, "The healthy man does not torture others. Generally, it is the tortured who turn into torturers."