A shocking development has emerged in the investigation into the shooting at the high-profile White House Correspondents’ Dinner in Washington, D.C., where the accused, Cole Tomas Allen (31), allegedly sent a disturbing manifesto to his family minutes before opening fire.

According to officials, the document outlined his intent, potential targets, and methods, while also criticising security arrangements at the venue. In the manifesto, Allen reportedly claimed that security was easy to bypass and suggested that even a heavily armed individual could enter without detection. Authorities said the suspect described himself as a “friendly federal assassin” and indicated plans to target political figures linked to the administration. He also detailed aspects of the attack, including his choice of ammunition, claiming it was intended to limit structural damage while acknowledging the risk of casualties.

The manifesto further contained strong ideological views and criticism of institutions, including politics and religion. Investigators say the document is now central to understanding the motive behind the attack. Law enforcement officials confirmed that the suspect was intercepted near the security screening area before reaching the main event space, preventing a potentially larger tragedy. The alert reportedly came after a family member alerted authorities to the manifesto, enabling a swift response.

Officials also stated that Allen had legally purchased firearms and had prior training at shooting ranges. Family members told investigators he had previously expressed extreme views and intentions to take drastic action.

The incident has raised serious concerns about security vulnerabilities at high-profile events, prompting authorities to review existing protocols. With several top political leaders in attendance, the breach attempt has intensified the debate over safety at major public gatherings.