'Buckwild' Star Shain Gandee -- Carbon Monoxide Poisoning Possible Cause of Death

By Celebrity News Wire on April 1, 2013

2:38 PM PT -- TMZ has learned ... the bodies of all 3 victims have been recovered from the scene and have been transferred to the local medical examiner's office where autopsies will be performed. 2:29 PM PT -- Officials have retrieved Shain's red…