Usama Bin Laden is Dead?

The President of USA announced ; the mastermind of the most devastating attack on American soil in modern times and the most hunted man in the world,the leader of Al-Qaeda Mr. Osama Bin Laden has been killed in fire fight against the United States Forces in Abbotabad,Pakistan on Sunday night 1:30 AM local Time.
American officials said Bin Laden resisted and was shot in the head. He is buried in sea.
It was declared by the President of USA and Prime Minister of Pakistan that Osama is dead but they didn't show any prove to the media that he is dead.