Citing law enforcement sources, CBS News reported on Sunday that the suspect, identified as Cole Allen, made the statement following his arrest.
Sources said the suspect did not specify Trump as a target, but referred broadly to “administration officials.”
Authorities have not yet publicly confirmed the suspect’s motive as the investigation continues.
The incident took place at the Washington Hilton Hotel, where the annual dinner was being held, prompting the evacuation of Trump, first lady Melania Trump, Vice President JD Vance and other senior officials.