Whether alleged possession of a different gun 17 months after Mr. Lopez's charged felon-in-possession offense constituted relevant-conduct

QUESTION PRESENTED L. Whether alleged possession of a different gun 17 months after Mr. Lopez’s charged felon-in-possession offense constituted relevant conduct? I. Whether the use of a preponderance of the evidence standard in deciding to enhance Mr. Lopez’s sentence violated his Fifth Amendment and Sixth Amendment rights? III. Whether Mr. Lopez’s prior Texas robbery conviction qualified as a crime of violence under § 4B1.2? IV. Whether the use of Mr. Lopez’s prior robbery conviction both to enhance his base offense level and to increase his criminal history score amounted to impermissible double counting? OH