1) Can a conviction and punishment stand on a non-existent stat utory offense, based on it being dismissed?

2) Was Petitioner's 18 U.S.C. 924(c) (1)(A)(iii) conviction based crime of violence after the government and district court explicitly dismissed the drug trafficking crime, and during sentencing ... throughout the entice proceeding, adamantly express ed that their sentence was based on a crime of violence which would affect the vagueness of 924(c) former residual clause resolved through, United States v. Davis 139 S.Ct. 2319, 204 L.Ed.2d. 757 (2019)?on a

can-conviction-stand-on-non-existent-offense