Al Baldasaro, a former President Trump campaign adviser who called for Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE to be "shot for treason" over her handling of the 2012 Benghazi, Libya, attacks, visited the White House for a bill signing on Friday.

Trump signed the Accountability and Whistleblower Protection Act on Friday, making it easier for the scandal-plagued Department of Veterans Affairs (VA) to fire bad employees. During the 2016 campaign, Baldasaro advised Trump on veterans' issues.

CNN first reported Baldasaro's White House visit.

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In July 2016, Baldasaro attacked Clinton during an interview on "The Jeff Kuhner Show," saying she should be "shot for treason" and calling the former secretary of State a "disgrace."

"The whole thing disgusts me. Hillary Clinton should be put in the firing line and shot for treason," Baldasaro said.

"She is a disgrace for the lies that she told those mothers about their children that got killed over there in Benghazi. She dropped the ball on over 400 emails requesting backup security. Something's wrong there," he said.

The Secret Service announced it was "investigating" Baldasaro over the comments.

Those comments caused Trump to distance himself from Baldasaro at the time.

“Mr. Trump and the campaign do not agree,” spokeswoman Hope Hicks said of the comments at the time.

CNN reported on Friday that Baldasaro was in attendance at an East Room ceremony for the accountability bill. The House overwhelmingly passed the bill, which strengthens protections for whistleblowers and makes it easier to fire employees who were involved in treatment scandals.

“This is one of the largest reforms of the VA in its history,” Trump said at the time.