Investigators say a Pittsburgh man killed his wife with a pickaxe after the couple had an argument.
Bruce Cook, 62, was charged Thursday with criminal homicide and abuse of a corpse in the death of 57-year-old Lois Cook.
A friend called police Wednesday because Lois Cook missed work.
Police said they arrived at the Cooks' home Wednesday night and found dried blood on the floor of the kitchen heading toward the basement steps. Investigators said they found Lois Cook's body under a tarp in the basement.