TODAY | November 01, 2013
>> teenager in georgia whose body was found inside a rolled up gym mat. the death was ruled an accident but now as gabe gutierrez reports a federal prosecutor reopened the case.
>> reporter: today a federal prosecutor is formally reviewing the death of kendrick johnson and the fbi will help.
>> i want the truth.
>> we have a body. there's a dead body out here.
>> the teenager was found dead in a rolled up gym mat at his high school in valdosta, georgia. these clips show his final hours but don't know how his body ended up inside the mat. his parents hope 1900 hours of other imagines from cameras might show more. they believe their son was murdered and someone tried to cover it up.
>> we won't stop until we get the truth.
>> reporter: local officials concluded his death was an accident. that he fell head first reaching for a shoe and suffocated but in a second autopsy, a private pathologist said it was due to blunt force trauma on his neck. a mystery they hope to sort out.