Kendy Howard, a 48-year-old wife and mother, was found dead in her bathtub with a gunshot wound to the head. Evidence at the scene led investigators to take a hard look at her husband, a former Idaho state trooper. Did he have the know-how to get away with murder?
At least 21 people were killed, and 100 more were injured after a collision between two high-speed trains in southern Spain on Sunday, according to officials....