Nathan Carman, the Vermont man accused of killing his mother on a fishing trip back in 2016, was found dead in his New Hampshire jail cell on Thursday morning. A notice from the Vermont U.S. Attorney said Carman died "on or about" Thursday, June 15. An autopsy report from the New Hampshire Office of the Chief Medical Examiner determined that Carman's death is not being considered suspicious. In a media availability on Thursday afternoon,.