A Secret Service investigation exposed new security breakdowns leading up to the assassination attempt on Donald Trump that critically injured two and killed one at a Pennsylvania campaign rally in July.

Secret Service agents failed to ensure that proper safeguards were in place that could have obstructed Donald Trump’s would-be assassin’s view of the former president at the campaign rally in Butler,

Scathing Secret Service probe details haphazard securing of Butler rally and communication breakdowns - Congressional leaders were briefed on the investigation into the Trump rally shooting earlier th