later they find christopher dorner's charred remains. he shot himself, police say, ending the week-long manhunt. september of last year, corporal byron dixon shot dead and eric frein is on the run. investigators don't have a motive or any clear leads. >> he is a hunter. he is a woodsman and he is alleged to be a survivalist. that is a deadly cocktail. >> reporter: authorities have a message for him -- >> i want you to know one thing, eric, we are coming for you. >> reporter: up to 1,000 law enforcement joined the search, zeroing in on the woods near frein's family home. 48 days into the manhunt and frein is spotted by u.s. marshals. captured inside an abandoned airport hangar. he's pleaded not guilty and is awaiting trial. clinton correctional facility in dannemora, new york, is where another manhunt begins, june 6th this year. convicted killers david sweat and richard matt escape in the middle of the night. >> there was a hole cut out of the back of the cell. >> reporter: after snaking their way through pipes and tunnels beneath the pri

take the case of christopher dor dorner, a former police officer who killed two police officers in februarye left behind a manifesto declaring war on police. it took several days but eventually searchers spotted a man matching his description committing a carjacking. after a chase, he died in a standoff with police at a remote mountain cabin. it took longer to find eric frein, the man who police say kill eed a pennsylvania state trooper. it was unclear who fired the fatal shots, but police identified frein after finding his jeep in a wooded area. it took nearly seven weeks to find him, hiding at this abandoned hangar. he was taken into custody and has pleaded not guilty. most recently, the massive manhunt for two escaped inmates from the clinton correctional facility in upstate new york. searchers knew exactly who they were looking for, richard matt and david sweat. yet it still took more than three weeks before one was killed, the other captured. in the case of fox lake, two factors could end up being key to catching their suspects. >> luck and public. it's a random cop who happens to be d