David Sweat (R) appears in court with his appointed defense attorney Joseph Mucia at his arraignment at Clinton County court, in Plattsburgh, New York August 20, 2015. Sweat, 35, one of the convicted killers who led law enforcement on an intense three-week manhunt after escaping a maximum-security prison in upstate New York, pleaded not guilty to an escape charge on Thursday. REUTERS/Christinne Muschi