In addition to #federal #immunity, the agent could argue that his actions were reasonable under the #Constitution, that he acted in self-defense or that he did not act with intent to harm or kill.
Federal officers are immune from #civil lawsuits unless their conduct clearly violated a constitutional right.
This #legal standard, known as #QualifiedImmunity, has become a highly effective tool for shielding #police officers accused of using #ExcessiveForce.