2015 Clinton Correctional Facility escape
The 2015 Clinton Correctional Facility escape was a jailbreak that took place on June 6, 2015, when two inmates, Richard Matt and David Sweat, were discovered missing during a 5:17 a.m. bed check at the maximum security Clinton Correctional Facility in Dannemora, New York, United States.
Source: Wikipedia — 2015 Clinton Correctional Facility escape (CC BY-SA 4.0)