She is a Federal prosecutor. She does not work for the District. So, what Federal law are you talking about.
USC Title 18 Chapter 44.
Every word of this entire chapter violates the 2A’s prohibition just by existing.
~~~ The U.S. Attorney for D.C. holds a unique dual role serving as the chief federal prosecutor for federal crimes in the District, and also serving as the chief prosecutor for local D.C. municipal crimes, including violations of D.C. Code gun laws.
This is because D.C. is not a state and lacks its own elected district attorney or state-level prosecutor's office.
Jeanine Pirro is legally obligated to enforce applicable laws within her jurisdiction, as enforcement is part of the core duties of the office.