A policeman who helped end one of the deadliest school shootings in US history relives the massacre

A still from a newscast reporting the mass shooting at the University of Texas on August 1, 1966. On a blazing summer day 50 years ago in Austin, a sniper wreaked unprecedented carnage on the campus of the University of Texas. The gunman climbed the school's iconic Main Building, known as the Tower, armed with rifles, a sawed-off shotgun, and other firearms. He then unleashed a methodical, 96-minute killing spree on the people below, killing 15 and injuring more than 30 others before Austin police officers shot him dead atop the tower. The violence that day would be the first of its kind — before Sandy Hook, Virginia Tech, or Columbine. Monday is the 50th anniversary of the shooting, which...