A three-judge panel sentenced him. He had asked for the death penalty. But the victim's sister, Jai-Dean Copley of Garden City, S.C., told The Plain Dealer newspaper of Cleveland that life in prison would be harsher.
Edwards already has been sentenced to life prison for killing a young couple in Ohio in 1977 and another couple in Wisconsin in 1980.
His 1972 autobiography details how he drifted across the country in the 1950s and 1960s, running scams, robbing gas stations and seducing women.