There's a Wardog carrying a revolver, guarding each member. If that Wardog sees Cash or is alerted by another about Cash's presence, the guarding Wardog will kill the family member. At least one famly member must survive for the scene to be completed. Once all members have been freed or killed, Cash enters the shark's mouth to the final section of the zoo where he kills more Wardogs. He then pulls a switch in a nearby room to open the exit gate and leave where he is picked up by the Cerberus.