Chilling manifesto reveals why Cole Allen opened fire at White House gala dinner

A message sent seconds before the attack names reasons

A suspected shooter, Cole Allen, allegedly sent a manifesto to his family just 10 minutes before opening fire at the Washington Hilton Hotel during the White House Correspondents' Association gala. Authorities say the 31-year-old outlined his motives in the document, turning a shocking attack into a carefully timed and explained act in writing. The investigation continues into his intent and background.