John Thaddeus

Tony goes undercover as an escaped prisoner chained to a convict who holds the key to recovering stolen Iraqi art, but when his GPS device fails, the team must find other ways to locate him.

The team must profile a serial killer, covered in tattoos, who commits suicide and leaves clues to his last victim's location.

Jane and Maura are asked to present the case of a serial killer at a symposium for law enforcement; Jane and Maura make a discovery.

After President Logan botches up CTU's capture of Marwan, he agrees to call in an advisor who has dealt with terrorism firsthand, and Chloe's first field assignment almost ends in disaster.

As Vice President Logan nervously steps into the presidential position, Jack learns that the missing portion of the "nuclear football" reveals the locations of nuclear warheads.

In an effort to relieve his pain over Tia, Alan goes with Denny to do some fly-fishing and relaxing in British Columbia, where they learn that fish are being threatened by sea lice.