ByteDance, the Chinese technology company that owns TikTok, is increasingly finding itself in Washington’s crosshairs. National security officials are widely reported to be looking into whether the social video app is a threat to national security because of its user data practices, and TikTok, which has been downloaded more than 1 billion times, is scheduled to be discussed at a Senate hearing Tuesday. Company officials have declined to participate.

Click the audio player above to hear the full story.