TikTok October 8, 2024 4:56 pm California joins 13 other states in suing TikTok California and 13 other states accuse the social media platform TikTok of damaging young users’ mental health. Conan Nolan reports for the NBC4 News at 3 p.m. on Tuesday, Oct. 8, 2024. US & World Videos 0:22 Man riding scooter killed in hit-and-run crash 6:14 NewsConference: There is life after Congress 6:20 NewsConference: New LA Projects in 2025 6:14 NewsConference: Trump's tariffs cause economic concern 2:08 How bakeries prepare Rosca de Reyes