Eyewitnesses watch as 12,000-pound whale attacks female trainer at SeaWorld. Feb. 24, 2010— -- A female trainer was killed today at SeaWorld's Shamu Stadium in Orlando, Fla., by a 12,000-pound ...

There have been dozens of orcas, or “killer whales,” at SeaWorld affectionately dubbed Shamu since the first one died in 1971. But until today, none of them had ever actually killed a trainer.

Following the death of SeaWorld whale trainer Dawn Brancheau, the Twitter account of killer whale Shamu has been silenced. Yes, Shamu has a Twitter account, and boasts more than 10,000 followers.

ORLANDO, Fla.,None — A killer whale attacked and killed a 40-year-old trainer in front of a horrified audience at a SeaWorld show Wednesday, with witnesses saying the animal involved in two previous ...