Do people not realise that a tranquilizer would have sent it crazy for five-ten minutes?
They just don't get shot and flop over on its back, you know. Its a
Gorilla. Its one of heaviest land animals. Do you not think the Zoo would have attempted that if they thought it would eliminate any risk to the child and they could get it back safely?
The Gorilla could have assumed that it was the kid that shot it. They only attack when they feel in danger, and it would have felt in danger after being shot.