Home Society Crime President Trump calls Las Vegas mass shooting an act of pure evil President Trump made remarks on the Las Vegas attack which left 50 dead and 400 injured; the deadliest mass shooting in U.S. history. C-SPAN October 3, 2017 10:46 IST Close President Trump made remarks on the Las Vegas attack which left 50 dead and 400 injured; the deadliest mass shooting in U.S. history.