Whether a defendant satisfies the final two prongs of plain-error review for a Rehaif-v-United-States trial error

QUESTION PRESENTED FOR REVIEW Whether a defendant satisfies the final two prongs of plain error review for a Rehaif v. United States, U.S. __, 139 S. Ct. 2191 (2019), trial error if he demonstrates that, but for the district court’s omission of the knowledge-of-status element at trial, he would have introduced evidence bearing upon this point in support of a viable knowledgeof-status defense? Prefix