 CBS News has learned the gunman had an account on an online gaming platform and posted the words, July 13th will be my premiere. Correspondent Meg Oliver. 20-year-old shooter Thomas Matthew Crooks. He visited the site of the attack at least once before the rally. Investigators have yet to discover a motive. President Biden sidelined with COVID as pressure mounts to drop out. CBS's Ed O'Keefe. Wilmington, or his campaign headquarters as we say, his team essentially says, this has been a bad stretch.