Should the District Court be allowed to find the facts necessary in order to qualify defendant as an Armed Career Criminal or should precedent such as Johnson/Descamps or Alleyne/Apprendi be applied when determining those facts?

QUESTION(S) PRESENTED ; Should the District Court be allowed to find the facts ; necessary in order to qualify defendant as an Armed Career Criminal or should precedent such as Johnson/Descamps or Alleyne/ Apprendi be applied when determining those facts? Should the United States Attorney be made to present to a ; : grand jury and subsequently prove beyond a reasonable doubt at trial the mens rea requirement of criminal law to the felon-in: possession statute 18 U.S.C. § 922(g)? ;