Whether Mr. Cureton's § 924(c) conviction for brandishing a firearm during a crime of violence must be vacated

QUESTION PRESENTED Whether Mr. Cureton’s § 924(c) conviction for brandishing a firearm during a crime of violence must be vacated because the Interstate Communication of Ransom Request offense underlying the § 924(c) conviction categorically fails to qualify as a crime of violence within the meaning of § 924(c)(3)(A) and the residual clause of § 924(c)(3)(B) is unconstitutionally vague under Johnson v. United States, 135 S. Ct. 2551 (2015)? ii