pete, ed, nicole? ed: aishah hasnie, thank you for that every day heroes, he grabbed the knife of the terrorist's hands. another guy hit him with a fire excontinuing girner. hear something, say something. there are people in london and new york city who jump outs. probably saved more people. ed: one guy jumped out with a five feet long. it started inside a cambridge university conference. so he grabbed it off the wall while the attack was happening. this guy guzman khan at the criminal justice event. attendee sharing his experience of prisoner rehab and then after lunch he started stabbing his fellow attendees. so it's clear there was no rehab going on. >> all part of a prisoner reform. clearly it shows that the rehabilitation didn't necessarily work.