KEY POINTS
  • House Homeland Security Chairman Bennie Thompson wrote to the CEOs of Facebook, YouTube, Twitter and Microsoft requesting a briefing next week on the spread of violent content on their platforms.
  • Thompson's request follows Friday's mosque shootings in New Zealand, where a suspected shooter livestreamed a video of one of the attacks, which was later shared repeatedly on tech platforms.
  • Thompson said tech companies must display the same transparency around how they handle all forms of violent extremism, not just that of ISIS and Al-Qaeda.
Mark Zuckerberg testifies before the House Energy and Commerce Committee in the Rayburn House Office Building on Capitol Hill April 11, 2018.

The House Homeland Security Committee chairman called on tech leaders Tuesday to explain how a violent video of Friday's New Zealand mosque shooting spread on their platforms.

Rep. Bennie Thompson, a Democrat from Mississippi, wrote to the CEOs of Facebook, Twitter, Microsoft and Google's YouTube to request a briefing in front of the committee on March 27. Thompson asked the leaders to explain how they handled the video's spread, which appeared to depict one of two mosque shootings in Christchurch, New Zealand, on Friday that killed at least 50 people.