Mirroring claims from an FCC commissioner last year, a Democratic Senator stressed TikTok's threat to national security through its data-harvesting practices.
On March 23, Shou Zi Chew will answer questions about data privacy, TikTok's connection with the Chinese Communist Party and the app's impact on children.
Chris Ray says the app, owned by Chinese company ByteDance, could be used for "influence operations" and espionage.