 However, when given a lie detector test, he failed on most of his answers, and he and his report were disregarded.Fred Howard Coffey was convicted in 1987 for the 1979 beating, strangulation murder, and molestation of a 10-year-old girl in North Carolina and () is serving a life sentence (after an earlier death sentence was overturned) in a North Carolina prison.Authorities learned that he interviewed for a job (and was subsequently employed) in Silver Spring, Maryland, six days after the Lyon sisters vanished.