CBS

Season 3: Episode 17 - The Crossing

The Crossing: Morgan, Prentiss, Reid, and JJ trail a dangerous stalker, who followed a woman across state lines. They want to stop him before he gets close to the woman, the object of his affection. Meanwhile, Hotch and Rossi follow a murder case, where they need to determine if a wife, who killed her husband, can claim battered-woman syndrome.