ST. LOUIS - An early morning investigation into a fatal pedestrian crash on Interstate 55 on Monday, Aug. 24, 2026, led police to a nearby home, where officers found a man dead in what investigators are treating as a murder-suicide.St. Louis Metropolitan Police District 3 officers responded just before 5 a.m. Aug. 24 to a call for an accident on northbound I-55 before the Arsenal exit, where they found what is believed to be an adult male who had been struck by multiple vehicles and died at the ...