Plus, troubling details about suspected gunman Benjamin Colton Barnes
                                
                                
                                    (Newser) -
                                    The Iraq war veteran  suspected of killing a Mount Rainier ranger  died from drowning, with hypothermia contributing to his death, his autopsy concludes. Benjamin Colton Barnes was found "face down, totally in the water" of a creek, wearing just jeans, a T-shirt, and one shoe, according to a sheriff'...