WESTON, Wis. — A man angry after a domestic dispute opened fire in a Wisconsin bank, killing two longtime employees, then killed an attorney at a nearby law firm and a detective trying to set a perimeter outside an apartment complex before he was captured, police said. His wife was unhurt. The man, whom police would not identify, was hospitalized Thursday under police guard with nonfatal wounds, police said. Citing an ongoing investigation, police released few other details of the shootings Wednesday, including why the attorney was targeted and where the location of the man’s wife.