For more than two decades, Hany Farid had been the world’s leading expert in the field of digital forensics. Lately, he is failing his own tests. “I feel like I’m going blind.”

For more than two decades, Hany Farid had been the world’s leading expert in the field of digital forensics. Lately, he is failing his own tests. “I feel like I’m going blind.”

New York Times: "Within a year or two, our whole visual system will be utterly useless."