The attempted assassination of former President Donald Trump is the biggest Secret Service crisis in decades. How did a 20-year old gunman climb a rooftop with a rifle and fire shots at Trump less than 150 yards away?
WSJ spoke with two former Secret Service agents who explained what went wrong in Butler, Pennsylvania, during Trump’s rally.
00:00 - Secret service’s biggest crisis in decades
00:39 - Communication failure
03:04 - Planning in advance
04:29 - Evacuation
05:38 - Investigation into the incident