Christopher Amitrano

The BAU team head to Los Angeles in search of an UnSub who is responsible for kidnapping nannies and the children in their charge, at the same time.

Lightman heads to war-torn Afghanistan to determine whether an American detainee is telling the truth about the location of two captured Marines.

Jack pushes Audrey for answers when evidence indicates that she may be involved with the terrorists.

Locke and Jack merge their camps, forging -- and breaking -- alliances.

Sipowicz and Clark decide to bury the hatchet; Clark finds redemption in selflessly protecting an endangered murder witness.