Victims in California have the BAU searching for an UnSub who may have witnessed abuse as a child. Meanwhile, Kate shows parental concern when her niece, Meg, makes a date with a friend to meet a boy they met online.
Great Big Bundle of Love — Brenton Wood
Scene when man makes victim say what he wants to hear before he murders her, and it's played several times throughout the episode since it was the song playing during his parents murder/suicide.