Cole Tomas Allen has been charged with the attempted assassination of President Donald Trump after a shooting at the White House Correspondents’ Association dinner in Washington.The suspect was apprehended after breaching security with a shotgun, leaving one officer injured and causing a major evacuation of the venue.Federal prosecutors are treating the case as domestic terrorism, with the defendant potentially facing life imprisonment if he is convicted on all counts.Authorities are currently reviewing a manifesto sent by the defendant which detailed his grievances against the Trump administration prior to the attack.