The cybertip line for the Center for Missing and Exploited Children is 1(800) 843-5678. Please report any and all CSAM to them. They will investigate. It is apparent that Meta has no intention to do so.
Meta Ran Ads That Contained AI-Generated Child Sexual Abuse Imagery
More than 50 offending image and video ads were published across Facebook, Instagram, Messenger, or Threads, according to Meta’s ad library data. Some ran as recently as this week.
wired.com