While TikTok is known primarily as a breeding ground for funny memes, dance routines and lip-synching videos, there’s a dark side to TikTok that starts with the young children who populate the app. In this episode, reporter Shelly Banjo looks into the consequences of TikTok’s failure to safeguard its adolescent user base. Warning: This episode contains difficult and disturbing reporting, including stories about the sexual exploitation of minors.