At the end of December, familiar scenes of protest in Tehran were being documented and shared across the world. But on January 8th, the images stopped coming after the Iranian regime cut off the internet in an attempt by the authorities to prevent protestors from organizing and posting videos online for the outside world to see. Under the cover of darkness the regime is reported to have killed up to 30,000 people.

Brooke spoke to Mahsa Alimardani, the Associate Director of the Technology Threats & Opportunities program at WITNESS, where she works on distinguishing visual truths in the AI age. She says that the internet has started flickering back on after a nearly three-week-long national blackout–the longest the country has ever seen–but that a thick fog of disinformation still covers Iran.

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