Printing Secrets At The CIA

He also notes that, though operators may be printing classified material, they aren't necessarily reading it.

"They look at the sheet...but they don't read the books back to front," he says. "They're really focusing on the quality of the job and not the content."

To make sure other, more curious people don't see what was printed, all proofs are destroyed, and plates are smelted under armed guard at a recycling facility. Negatives are returned to customers.