Secret Service agents shot and killed a 21-year-old man who fired at a White House security checkpoint on Saturday, May 23, 2026 [1].
The incident highlights security vulnerabilities and the challenges of monitoring individuals with a documented history of trespassing and mental health crises.
Authorities identified the gunman as Nasire Best of Dundalk, Maryland [1]. Officials said Best had a history of mental health concerns and prior encounters with the Secret Service [5]. Court records indicate he was previously arrested while "claiming he was Jesus Christ" [4].
Investigations revealed that Best had a prior record involving attempts to gain entry to the White House grounds. In June 2025, he was arrested after blocking a White House lane [2]. The Washington Post reported that Best had cut off contact with his closest friends and began claiming that he was Jesus Christ [6].
On Saturday, Best opened fire at a security checkpoint outside the White House in Washington, D.C. [1]. Secret Service agents responded to the gunfire and killed him at the scene [1].
Officials said the suspect's prior arrests for trespassing and his mental health state contributed to the violent actions on Saturday [3, 6]. The Secret Service is continuing to investigate the motive behind the attack [7].
“He was arrested while "claiming he was Jesus Christ".”
This event underscores the difficulty of preventing targeted violence when a suspect has a known history of obsession with a secure site but does not meet the threshold for permanent detention. The fact that the shooter had been arrested as recently as June 2025 for blocking a White House lane suggests a failure in the risk-assessment loop between local law enforcement and federal security details.
