Whether a mistake of fact jury instruction is warranted in an Assault on an Officer prosecution under 18 U.S.C. § 111 when law enforcement officers fail to identify or misrepresent their purpose during a potential domicile entry

In an Assault on an Officer prosecution brought pursuant to 18 U.S.C. § 111, is a mistake of fact jury instruction warranted by virtue of United States v. Feola where an accused is aware of the identity of federal law enforcement officers but where federal law enforcement officers fail to identify their purpose, misrepresent their purpose, attempt to enter a domicile without announcing their purpose, and the accused uses force to prevent an entry into the accused’s domicile? ii II.