are very carefully thought out. especially our waterwork interaction. whoa! you big dork. especially our waterwork interactions because they're potentially the most dangerous. >> i've been expecting it since the second person was killed. i've been expecting somebody to be killed by tilikum. i'm surprised it took as long as it did. >> first tonight, a six ton killer whale has lived up to his name killing an experienced trainer at seaworld orlando today. >> a tourist at an earlier show said the animal seemed agitated. >> trainers complained the whales weren't operating. >> the whole show, the main show was a disaster that day. >> there were whales chasing each other. and eventually the trainers decided that they had to stop the show because they couldn't get the whales under control. >> tilikum was in the back pool set up to do a dive shamu performance with dawn.