That's not true, the Azov and dozens others have been officially put in since September 2014. By the time Zelensky got elected the Nazi had consolidated their power over the SBU, National Police, National Militia, and numerous cities and towns police forces. You're forgetting that there was a huge pull of people from Ukraine post Euromaidan Feb 22, included in which were numerous police and military, either going to Donbass, to Russia, or to Crimea. Those roles and power vacuums have been capitulated on by the Nazi Coup.