A Meta engineer saw his own child face harassment on Instagram. Now, he’s testifying before Congress

Arturo Bejar, former Facebook employee and consultant for Instagram, testifies before the Senate Judiciary Subcommittee on Privacy, Technology, and the Law Tuesday, during a hearing to examine social media and the teen mental health crisis, on Capitol Hill in Washington. (AP Photo/Stephanie Scarbrough)

Arturo Bejar, former Facebook employee and consultant for Instagram, testifies before the Senate Judiciary Subcommittee on Privacy, Technology, and the Law Tuesday, during a hearing to examine social media and the teen mental health crisis, on Capitol Hill in Washington. (AP Photo/Stephanie Scarbrough)

On the same day whistleblower Frances Haugen was testifying before Congress about the harms of Facebook and Instagram to children in the fall of 2021, a former engineering director at the social media giant who had rejoined the company as a consultant sent an alarming email to Meta CEO Mark Zuckerberg about the same topic.