Mark Costello

The BAU team must track down a serial arsonist who instills fear in a small town by setting fire to community meeting places and killing several residents in the process.

On Jenada Isle, a surge of abandoned bunnies and rogue rescuers disrupt the community's peace; chaos and ethical dilemmas arise as the situation escalates.

Sipowicz is concerned over Sorenson's deepening relationship with stripper Kristen, particularly after it leads to a fight inside the club where she works.

A security specialist and former friend of Harm's hijacks a nuclear submarine with the intention of bombing a U.S. target if his ransom demands are not met.

Harm goes head to head with Mac in the courtroom while defending a Marine guard for shooting a terrorist prisoner.

A convicted spy escapes from Leavenworth and takes three officers hostage, demanding a new trial.