States probed TikTok for years. Here are the documents the app tried to keep secret  NPRAG Coleman sues TikTok, says internal documents show company knowingly addicted Ky youth  Louisville Public MediaTikTok Sued by Multiple States for Allegedly Harming Young People  The Wall Street JournalKentucky child psychologist weighs in on social media use amid TikTok lawsuit  WKYTStates sue TikTok over app’s effects on kids’ mental health  CNBC