William Saxbe, a Republican maverick who became the fourth attorney general to serve under President Richard M. Nixon and presided during the Watergate investigation, died Tuesday. He was 94.

Saxbe, who served in the Ohio Legislature and as state attorney general, died at his home in Mechanicsburg, northwest of Columbus, said his son, Charles "Rocky" Saxbe.

Nixon's first two attorneys general were accused of Watergate-related crimes and the third, Elliot Richardson, resigned to protest Nixon's efforts to limit the investigation into the break-in and cover-up attempts....