Do You Know What the Fbi Was Doing With Photocopiers?

Zirok official had told the investigators that every zirex copier's drum leaves unique markings on each copy produced on it. The bureau needed to collect sample copies that had been made on six 60 copiers, as many as possible. So they started going to every zerox six 60 copier in the philadelphia area, collecting samples. And then the most terrifying thing of all happened. Commissioner john rains explains, it was only a few weeks after the breakin, and it's the number nine guy, the guy who outed them. He says, i'm thinking about turning you in. But why? Except for bonnye, the fbi didn't know what