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 3:18 First Alert Forecast: Hottest day of the week 3:43 Rose Parade floats available for viewing 2:23 LA County Sheriff's dispatch system crashes 2:22 Investigators looking into possible military connection between New Orleans and Las Vegas incidents 3:04 FBI searches property of man responsible for New Orleans attack