CNN Piers Morgan Live November 2, 2013 07:35:00
She kept asking him for more and more behaviors. he wasn't getting reinforced for the behaviors he was doing correctly. he probably was frustrated towards the end. >> then she walked around the perimeter of g-pool. he followed her. and then continued over into the rocky ledge area where she laid down with him to do a relationship session, which is quiet time, basically. >> tilikum at some point grabbed ahold of her left forearm and did a barrel roll and pulled her in. may have started as play or frustration and clearly escalated to be clearly violent behavior that i think was anything but play...