Behind Bars - Doing Press Time

"If they do misplace one, they're looking for it pretty hard," he says.

At many prison in-plants, overtime is not allowed, for security reasons.

"As it gets dark outside, the inmates have to go in," explains Robert Thomas, superintendent of the 44-employee Prison Industries Print Shop at California State Prison, in Sacramento. "We are locked into our hours. If we get a load of work in, we can't work a second shift to get it out."