At Balloon Juice, in response to an exceptionally cruel action by Customs and Border Protection, John Cole comments: "ICE and our Border Patrol are now effectively the brown shirts for this regime. Treat them as such."
the seed of a Gestapo, I think, the seed of a national secret police,
than brownshirts (SA), Nazi paramilitaries, I think. It’s a little more
than a pedantic point: the Gestapo had official power; the SA were party
thugs and were ultimately suppressed by the Nazi leadership. The
Gestapo was created by unifying the police forces of the Reich under the
SS. The US analog of this would perhaps be bringing state and local
police forces with ICE which, indeed, is being attempted.