A shooting did occur at the White House Correspondents' Dinner on April 25, 2026, and Cole Allen was arrested and charged with attempted assassination after firing at a security checkpoint. Bongino's label of 'deranged activist' captures that Allen had political grievances per his manifesto, though 'activist' suggests more organization than a lone shooter warrants. The post itself is mostly promotional with minimal specific claims—the substantive assertions in the linked episode would require review for full analysis.