TikTok is China's "Trojan horse," according to Rob Joyce, who heads the cyber security unit of America's National Security Agency. Just last week TikTok CEO Shou Zi Chew was grilled by the US House Committee on Energy and Commerce, with several members saying the app should be banned outright – not just from government devices – citing TikTok's links to the Chinese Communist Party. " It's not a smoking gun, but rather "a loaded gun," he warned