The Kidnapping of Casey, Claire and Marcia was organised by Dennis to kidnap the girls to sacrifice to The Beast.
Background
Claire, Casey and another friend, Marcia, went to have some shopping with Claire's father taking them.
Battle
As they ended and returned to the car, the Philadelphia zoo worker. Kevin attacks Casey, Claire and Marcia, knocking out Claire's father and abducting the three girls.
Aftermath
The three girls awakened at a room of a secretive house. Dennis entered into the room and took up Marcia but not before Casey told her to behave herself even if it was an unexpected violent assault. Outside the room, Dennis wanted Marcia to dance for him, and he sexually harassed her. Marcia managed to prevent him from doing it by biting him in the hand, causing Dennis to leave Marcia in the room.