the clinton correctional facility has a notorious past that included gangster lucky lucciano rapper tupackur and sweat, who killed a police officer and matt in jail for dismembering his boss' body. >> cop killer is one thing. dismembering somebody it's really out there. i kind of just like he is one of the guys you keep in front of you. you don't turn your back on. >> reporter: eric jensen was an inmate at the same time. he says he knew both of them. whatever their differences each behaved well enough to get placed in the so-called honor block which meant special privileges. >> the honor block you are allowed out majority of the day. >> the escaped inmates lived next door to each other in the prison. the da says that wasn't always the case. >> sweat was located in a different area cell of the honor block. there was a request they be placed next to each other. >> sound like somebody in the prison granted their request to be put next to each other? >> that's what i understand. >> was that gene palmer? >> that i don't know. >> he loaded it. he is ready. >> reporter: amidst the manhunt, distu

like lucky lucciano and tupac shakur. 20 miles from the canadian border where authorities are on theut. >> they should stop them at the border. no way of getting worried more than we have to. >> reporter: area schools on high alert. the community surrounding the community in new york living in fear. new york state is offering up to $100,000 for information leading to the arrest of those two escaped convicts. >> they are dangerous. and we want to make sure that -- that they don't inflict any more pain or any more harm. >> reporter: for "nightline," gio benitez, in new york. ♪ >>> next we are heading to the pristine waters off the costa rican island on a mission to save the sharks with "entourage" actor, adrian gre nichlt er. -- adrian gre nichlt and protect my joints from further damage. this is humira helping me reach for more. doctors have been prescribing humira for more than 10 years. humira works for many adults. it targets and helps to block a specific source of inflammation that contrubutes to ra symptoms. humira can lower your ability to fight infections, including tuberculosi