John Thaddeus

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

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.

Shirley Schmidt reluctantly enlists Denny Crane's help to defend a congressman being sued for failure to keep a campaign promise.

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.

The murder trial of Kelly Nolan (Heather Locklear) gets under way amid a media circus; Malcolm Holmes (Rupert Everett) tries to persuade Tara to help him get a court order allowing his client to sing his uncle's trademark song.

Alan Shore helps Jerry Espenson, whose client stands accused of murdering her ex-girlfriend; Lincoln resurfaces at the firm, taking a peculiar interest in Shirley.