If they go back they will be killed as an example to others. Their families? Going back will not save them. Where is the UN?????
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.