Imagine being confined to a tight space, just 8 feet wide by 10 feet long, by yourself for 23 hours a day. It’s hard to fathom the impact of that kind of isolation, but the new FRONTLINE documentary “Solitary Nation” provides a glimpse into the prison system that few ever see.  

GUESTS

Robert Dellelo entered Walpole State Prison in 1964 after he was convicted of manslaughter. He was released in 2003 when his sentence was overturned.

Dan Edge is a documentary filmmaker who produced "Solitary Nation."