Orca that killed trainer died from bacterial pneumonia

ORLANDO, Fla. - SeaWorld officials say Tilikum, the orca that killed a trainer at the company's Orlando park, died from bacterial pneumonia.
    
SeaWorld spokeswoman Aimée Jeansonne Becka announced the results of a necropsy in an email Friday.
    
Tilikum had been receiving treatment for a persistent bacterial infection when he died Jan. 6. He was estimated to be 36 years old.
    
Tilikum was profiled