An investigation has revealed some key details about a dead man found near railroad tracks east of Weed. The body of 50-year-old David Rivas of Pasadena was found on the day after Christmas near Military Pass Road. Siskiyou County Sheriff’s Officials responded after the body had been spotted by railroad workers. Apparently Rivas had been traveling home from North Dakota by rail. An autopsy revealed head injuries, but no evidence of an assault and it’s possible that he suffered the fatal injuries when jumped of fell from the moving train.