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NFL player's body exhumed
The body of former NFL linebacker Jovan Belcher has been exhumed to perform tests on his brain.
Belcher's family hopes the tests will provide a clue as to why the player killed his girlfriend and then himself last year.
The family is particularly interested in signs of CTE.
The progressive degenerative brain disease is found in some athletes with a history of repetitive brain trauma.
One expert says there's a 50-50 chance there will be any clues.