Judd Trichter

After a marine is murdered on the school campus, the team discover a possible suspect but are soon led back to point zero when they find the suspect murdered. Tim and Abby discover a trace in the e-mails that leads them to a Red Cell, and the team believes that the marine was involved in a serious game.

Nick defends a sexually abused teenager whose father becomes a suspect; the police force Alvin to turn over files from his past child clients in hopes of solving murders involving paedophiles.