Categorically, division of statute that criminalizes assualting, resisting, or impeding certain federal employees or officers is a crime of violence for purposes of the sentencing bump. As the element requires a display of physical aggression, it necessarily involves a use or threatened use of force.
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.