With no explanation, chose the best option from "A", "B", "C" or "D". (internal quotation and citation omitted). In this case, Mr. Charles was convicted under 18 U.S.C. § 751(a), which prohibits the generic crime of “escaping] or attempting] to escape from the custody of the Attorney General,” and includes failing to return to custody. 18 U.S.C. § 751(a). The district court apparently considered the plea agreement, which specified that Mr. Charles had escaped the custody of a halfway house, but the court was without the benefit of the Supreme Court’s decision in Chambers. Before Chambers, the categorization of an escape conviction was well-settled in this Circuit, because we held that all escape convictions were “crimes of violence” under § 4B1.2. See United States v. Gosling, 39 F.3d 1140, 1142 (10th Cir.1994) (“Every escape scenario is a powder keg.”) (<HOLDING>); see also United States v. Springfield, 196

A: holding that walkaway from community treatment center conviction was a crime of violence consistent with chambers
B: holding felony escape in north carolina to be crime of violence under acca because escape presents risk of injury to others
C: holding prior to chambers that a walkaway escape is categorically a violent felony
D: holding walkaway escape under north dakota statute a crime of violence
D.