CNN At This Hour With Berman and Bolduan August 25, 2015 15:57:00
Now for a look inside the tunnels two convicted killers used in their escape from an upstate new york prison this summer. david sweat and richard matt escaped from the clinton correctional facility if june. randi kaye has the story. >> reporter: two state investigators armed with supplies and two gopro cameras showing us how inmates david sweat and richard matt shimmied and snaked their way to freedom. the video, given to us by an official source, is about 20 minutes long, as long as it takes for these investigators to wind their way through the belly of clinton correctional facility, just lik...