Trump assassination attempt: Secret Service acting director reveals 'numerous changes' agency has implemented

Acting Secret Service Director Ronald Rowe is expected to testify to House lawmakers Thursday, revealing the "numerous changes" the agency has implemented following the attempted assassination attempt of President-elect Trump in July in Butler, Pennsylvania.

"July 13th was a failure of the Secret Service to adequately secure the Butler Farm Show site and protect President-elect Trump," Rowe will tell the Task Force on the Attempted Assassination Attempt of Donald J. Trump, according to excerpts from his written remarks.

"That abject failure underscored critical gaps in Secret Service operations, and I recognize that we did not meet the expectations the American public, Congress, and our protectees rightly have for the Secret Service," he says.

Rowe will go on to say, according to the excerpts, that following the assassination attempt he worked to: "understand what went wrong on the day of the attempted assassination; to ensure accountability; and to prevent such a failure from ever happening again."

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Rowe will tell the task force that the advance work in preparation for the Butler Farm Show visit "absolutely did not meet the standard expected of this agency."

The acting Secret Service director's comments on preparation came after signs of trouble at the fateful July rally were evident prior to Trump taking the stage.

Law enforcement had a report of a suspicious man – later identified as 20-year-old Thomas Matthew Crooks – pacing the roof and authorities were exchanging photos of the suspects minutes before Trump took the stage. Rallygoers also pointed and shouted after noticing the armed man on a nearby roof prior to the shots ranging out.

The roof where Crooks laid waiting was an estimated 147 yards from where Trump was speaking.

The security lapse from the agency tasked with keeping America's leaders safe left confidence at a low following Trump's first assassination attempt. In the fallout, former Secret Service Director Kimberly Cheattle resigned.

Rowe is providing the task force with a laundry list of specific areas that the agency is working on to remedy the event from July 13 – and to prevent another assassination attempt from happening.

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Rowe will note that the agency also underwent disciplinary measures for agents involved in the events of July 13. He is expected to say he "cannot comment further on specific disciplinary actions underway or being considered."

The acting director will outline his goal going forward.

"My goal is to improve our mission effectiveness and rebuild public trust. One of the key systemic changes was the directive to mandate a unified command in a singular location for all protective sites, something that was not done on July 13th in Butler," Rowe is expected to say. "This co-location enhances our communications and intelligence-sharing mechanisms with state, local and federal partners to better anticipate threats and respond to them more swiftly."

"Moving forward, I have directed the Office of Protective Operations to develop a continuous evaluation and audit capability to conduct regular assessments of our advance procedures and protocols and identify areas of weakness," he will say, according to the excerpts.

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Rowe notes that he is also prioritizing mental health and wellness programs for personnel, saying that he understands that "the stress and pressures of the job can impact decision-making and overall performance."

"While I cannot undo the harm that has been done, I am committed to doing everything in my power to ensure that the Secret Service never has a failure like this again," he will say.