“We all must ensure the safety of Americans who gather to peacefully exercise their constitutional rights,” he wrote. ADVERTISEMENT The legislation Murphy referred to — which was included in the fiscal 2021 National Defense Authorization Act (NDAA) passed Jan. 1 — requires members of the armed forces and federal law enforcement personnel responding to civil disturbances to clearly identify which department they represent. The new law was included in the NDAA following the presence of unmarked federal law enforcement officers in the capital this summer used to address protests over racial injustice. The security personnel, who were dressed in paramilitary uniforms and wore no identifying insignia or name badges, would not tell journalists and protesters which agency they worked for. Some would only say they worked for the federal government while others identified themselves as employed by the Justice Department.