When suitcases containing human remains are found throughout Naples, Florida, the BAU returns from their bureau-dictated vacation to find a connection between the victims before the killer takes another life. Meanwhile, Reid learns about a condition to his reinstatement and the team officially welcomes Simmons into the fold.
Parental Abandonment: The Unsub's motivation is that after his mother "left" him when he was little, and he was raised by his abusive grandmother (which probably was a contributing factor), he fears that all women will leave him, so he kills them first.