White House gunman had criminal record, history of mental health issues

The antheral fatally changeable by Secret Service agents aft authorities said helium opened occurrence astatine a White House information checkpoint Saturday had a documented past of encounters with instrumentality enforcement and intelligence wellness concerns.

"Thank you to our large Secret Service and Law Enforcement for the swift and nonrecreational enactment taken this evening against a gunman adjacent the White House, who had a convulsive past and imaginable obsession with our Country’s astir cherished structure," President Donald Trump wrote aboriginal Sunday greeting connected Truth Social.

"The gunman is dormant aft an speech of gunfire with Secret Service Agents adjacent the White House gates."

The dormant gunman was identified arsenic Nasire Best, a 21-year-old Maryland man, who was antecedently "known to United States Secret Service" astir the White House complex, according to a July 2025 D.C. Superior Court filing.

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A 21-year-old equipped with a revolver was killed aft exchanging gunfire with Secret Service agents adjacent the White House gates, President Trump said. (Obtained by the New York Post)

In that incident, Best walked into a restricted country astatine a White House pedestrian entree power post, ignored commands to halt and "claimed helium was Jesus Christ and that helium wanted to get arrested," according to the filing. He was arrested connected an unlawful introduction complaint successful that incident.

READ THE JULY 2025 FILING — APP USERS, CLICK HERE:

The filing said Best interacted with the Secret Service, walking astir the White House analyzable and asking however to summation entree astatine assorted introduction posts. It besides said helium had been involuntarily committed successful June 2025 aft obstructing conveyance introduction to the White House complex.

Officers requested a stay-away bid barring Best from the White House country aft the July arrest, according to the filing.

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The representation of the Secret Service-involved White House information checkpoint shooting Saturday. (Fox News)

The New York Post reported that a seat warrant was aboriginal issued aft Best failed to look for a consequent hearing.

Then, Saturday, Best approached a checkpoint adjacent 17th Street and Pennsylvania Avenue NW soon aft 6 p.m. ET, pulled a weapon from a container and opened occurrence connected Secret Service officers. Officers returned fire, striking Best, who was taken to a infirmary and aboriginal died.

A bystander was besides wounded, though officials had not said who fired the circular that struck that idiosyncratic oregon released the person’s condition. No Secret Service agents were injured. Trump was wrong the White House astatine the clip and was briefed connected the shooting.

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FBI and different national instrumentality enforcement agents respond to a shooting adjacent the White House successful Washington, D.C., connected May 23, 2026. (Andrew Leyden/Getty Images)

His overnight station added a telephone for White House security, which is being removed from the Senate's now-stalled fund reconciliation package.

"This lawsuit is 1 period removed from the White House Correspondent’s Dinner shooting, and goes to amusement however important it is, for each aboriginal Presidents, to get, what volition be, the astir harmless and unafraid abstraction of its benignant ever built successful Washington, D.C.," Trump's station concluded. "The National Security of our Country demands it!"

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The shooting concisely placed the White House connected lockdown. Reporters connected the North Lawn were rushed into the property briefing country arsenic agents responded with weapons drawn. The lockdown was lifted astatine 6:46 p.m. ET.

Authorities had not announced a motive arsenic of aboriginal Sunday. The FBI and Bureau of Alcohol, Tobacco, Firearms and Explosives were assisting the Secret Service and Metropolitan Police Department successful the investigation.