Brian D. Johnson

A dead body is found clutching a 300-year-old finger bone, with the investigation leading Brennan and Booth into an underwater mystery.

After a series of suspicious murders occur, Prentiss suspects her old Interpol nemesis, making her fear for the safety of her BAU team as he closes in on her.

Trust issues between a father and his mysteriously ill son prevent the medical team from getting the information they need to diagnose and treat the illness.

A murder investigation becomes dicey when all the victims and suspects turn out to be police officers.

When a man falls to his death off a hotel balcony, the team must determine if foul play was involved.

The team's attempts to raid an anthrax lab are thwarted by an official from the Department of Defense (Michael McKean), who believes his high-tech intelligence is superior to field logic.