Authorities investigated the mysteries surrounding the death of U.S. Senate aide Fred Hutchins on Wednesday, a day after his body was found beside his sport utility vehicle on U.S. 220 near Fincastle. "We're just working to let the evidence go wherever it goes," said Botetourt County Sheriff's Maj. Delbert Dudding. One of his deputies obtained a search warrant to look through the downtown Roanoke apartment of Hutchins, who was 26 and ran U.S. Sen. Jim Webb's office in Roanoke County. According to the search warrant, potential evidence was sought that might exist in Hutchins' computer, his cellphone, his answering machine...