TikTok CEO Shou Zi Chew
TikTok CEO Shou Zi Chew, testifies during a Senate Judiciary Committee hearing on Capitol Hill.
  • Sen. Tom Cotton repeatedly asked TikTok's head about his citizenship. 
  • CEO Shou Zi Chew is Singaporean, as he reminded Cotton multiple times.
  • The tech leader was joined by four other social media heads during a congressional hearing.

During Wednesday's tense congressional testimony over online safety for children, Sen. Tom Cotton repeatedly asked Singaporean TikTok CEO Shou Zi Chew if he's ever been a part of the Chinese Communist Party.