In June 2015 two vicious convicted murderers broke out of the Clinton Correctional Facility in New York state, launching the most extensive manhunt in the state's history. Aided by a prison employee, Richard Matt and David Sweat slipped out of their cells and climbed out of a manhole to freedom. Now Charles A. Gardner - a lifelong resident of the community and a former prison guard - tells the whole story from an insider's point of view.