. >> the victim keltie byrne was a championship swimmer and a part-time worker at sealand. >> as seens used a huge net -- >> workers' efforts were hindered by the agitated whales. >> i would like to use this summer but my more immediate goal is to swim fast at nationals. >> it was sort of a cloudy gray day, and we were looking for something to do, so we thought why not go to sealand? it was kind of like this dingy pool with these whales. >> it just felt a little bit like an amusement park that was kind of on its last legs and everything was a bit gray. >> yeah, it was like a swimming pool. >> yeah. >> three whales in a swimming pool. >> yeah. and they would come up and touch the ball, and there was -- i think there was some tail splashing and there was some -- >> jumping. >> -- with the fish. >> they hold the fish and the whales jump up. and i remember saying, oh what a fun job, you know. she's so lucky. and then i saw her walking with her rubber boots and she tripped and her foot just dipped into the edge of the pool, and she lost her balance and fell in, and then she was pushing her