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 6:59 Is compounded weight loss drug for you? 2:48 Influencer charged with murder in deadly West Hollywood crash 2:01 Several wild parrots in San Gabriel Valley shot 2:23 NTSB investigating plane crash at Pomona Fairplex 3:45 Sean ‘Diddy' Combs accused of witness tampering