A report reveals numerous "deficiencies" in the security preparations ahead of Trump's attempted assassination, in the most formal attempt by the Secret Service to catalogue its errors of the day.

Facing an ever-growing chorus of criticism, the Secret Service today attempted to be transparent and upfront about its potentially fatal errors protecting former President Donald Trump during a July campaign rally in Butler,

The summary of an internal investigation determined that the agency did not adequately prepare its local partners for their duties at the event in Butler, Pa., in July.