 Newstalk 1110, 993 WBT, Brett Waterbull Show. Good to be with you as we continue to chart these big stories. 704-570-1110. So what do we know about this shooter? We don't really know a whole lot, but a cursory kind of picture has shown up here, though. Authorities have identified the gunman involved in the attack against former U.S. President Donald Trump on Saturday as 20-year-old Thomas Matthew Crooks.