Ohio Prison Inmates Built Computers from Recycled Parts and Hid Them in Ceiling

One of the inmates who had set up the computers later described how he had used components from other PCs that were part of a computer waste recycling programme.

"And then... bam, I'm on the network," he told investigators.

A trove of data was discovered on the machines, including records of passes being issued for inmates so they could access various parts of the prison.

Forensic analysis of the hard drives also found pornography, articles about making drugs, explosives...