** FILE ** Trainer Dawn Brancheau poses while performing at SeaWorld in Orlando, Fla., in 2005. Ms. Brancheau was killed in an accident with a killer whale in 2010. (Associated Press/Orlando Sentinel, Julie Fletcher)

** FILE ** Trainer Dawn Brancheau poses while performing at SeaWorld in Orlando, Fla., in 2005. Ms. Brancheau was killed in an accident with a killer whale in 2010. (Associated Press/Orlando Sentinel, Julie Fletcher)