a conclusion that the defendant had been convicted in state court of an “escape” crime that generically qualifies as a violent felony under § 924(e).... [E]ven the facts outside the scope of Shepard, if they could have been considered, would have narrowed Mills’[s] conviction only to either a failure to report or a walkaway escape from a non-secure facility.... [T]he Government concedes that a simple walkaway escape from a nonsecure community residence does not constitute the sort of purposeful, aggressive and violent behavior that is required ... to constitute a “violent felony” for the purposes of § 924(e). Id. at 2-3. We need not address whether a “walkaway escape” is, as the government says, not a violent felony for these purposes under Chambers. Cf. Jackson, 301 F.3d at 63 (<HOLDING>). For the purpose of deciding this appeal, it 
 Holding statements: (A) holding prior to chambers that a walkaway escape is categorically a violent felony (B) holding that escape is categorically a violent felony under the acca (C) holding that walkaway from community treatment center conviction was a crime of violence consistent with chambers (D) holding that escape from secure custody is a violent felony (E) holding walkaway escape under north dakota statute a crime of violence
(A)