Government forces .... THESE, by the way are little johnnie from next door, oh how you wished he'd taken a shine to your janey .. now all grown up and serving the United States of America as a Federal Law Enforcement officer .... are willing to draw down on YOU (and your little janey) because johnnie's been trained to stop all assaults on The United States of America and he KNOWS he grew up with you, and went to the beach with you (tryin' to get him to get a hard on for janey), and havin' him over for Sunday dinner .... but .... orders iss orders.
You absolutely nail the essential betrayal, pettiness and maliciousness at the heart of this paramilitary cancer.
It is not Chekist. It is not Brownshirt.
But it is an American expression of the same banality of evil.