The man with the nickname Einstein had served almost a decade in prison, where he learned tricks to help him get out of sticky situations. He hid razors in his wall and handcuff keys in his belt. Davidson County Sheriff Daron Hall became obsessed with catching this man, who had unleashed a plan to infiltrate Hall's baby — the new Downtown Detention Center.

Read the series

• Part 1: Two keys to an under-construction jail in Nashville went missing. Would it lead to havoc?
• Part 2: A razor in his shoe. A makeshift ice pick. Nashville criminal 'learned his trade in jail'
• Part 3: Could Einstein be captured inside the jail without knowing it was a trap? What happened next
• Part 4: Einstein gives shocking explanation for breaking into new downtown Nashville jail