Joe Hart

Gideon and the BAU track down a copycat bomber who has been terrorizing Palm Beach, Florida. The team determines the bomber is mimicking Gideon's nemesis, Adrian Bale, who is the man responsible for murdering Gideon's team in Boston several years earlier.

Fallin & Fallin agree to represent Tim "The Mechanic" Dohanic, a professional boxer, after he is released from prison.

Don and his team are called when it is discovered that a truck driver and his big rig carrying radioactive material have been hijacked and are now missing. They are pressed for time to find the truck when the hijackers threaten to detonate a dirty bomb in an undisclosed location in Los Angeles if they don't receive $20 million in 12 hours.

A veteran police dispatcher is blackmailed into undermining Hunter's and McCall's investigation of a multimillion-dollar gold robbery when her son is kidnapped by the perpetrators.

A new lieutenant arrives; a medic with radical views joins; Alex prepares a romantic night with Goldman.