White House correspondents' dinner shooting suspect a part-time teacher, game developer

The chief of the ?District of Columbia police department said investigators believe the suspect was a guest at the Washington Hilton hotel, where the annual dinner was ?taking place, but that no motive had been determined.
Source: White House correspondents' dinner shooting suspect a part-time teacher, game developer (https://www.cbc.ca/news/world/white-house-correspondents-dinner-suspect-9.7177665?cmp=rss)