These have been totalitarian tactics for decades. It started with the Soviets. It is not surprising that an Islamic Theocracy which glorifies murder, rape, and torture would use these tactics.
Common tactics up until the United States set the example with the Bill of Rights.
Torture and hostage taking are the norm, not the usual, throughout history.
And the UN has put Iran as the head of their “Human Rights Commission”. What more do you need to know about how the UN works?
Those fellow citizens need to rise up and permanently address the ability to breathe of all such thugs and their family and friends.