Shooting at Donald Trump rally in Butler, Pennsylvania.
A former Secret Service agent says authorities should have had a comprehensive "site plan" of the event space and surrounding buildings for the rally where a shooter fired at Donald Trump.
  • Former President Donald Trump survived an assassination attempt at a Pennsylvania rally.
  • A former Secret Service agent says counter-snipers would usually have "360-degree coverage" for similar events.
  • Investigators will likely look into the event's "site plan."

A former Secret Service agent said counter-snipers at the Pennsylvania rally where a would-be assassin wounded former President Donald Trump should have had "360-degree coverage" of the event and surrounding buildings.