They are far from the worst of the worst, but get on the wrong side of China and your family is in trouble. It could be as mild as your nephews mysteriously not getting into college despite good test scores, or as severe as prison sentences.
The US in its foreign policy has long acted like that. Threatening, torturing or killing people’s family members and children is one of the tactics recommended by the US for its puppet regimes at what used to be called the “School of the Americas”. And of course, our “kill anyone who interacts with a target” drone killings amount to this.
Not surprisingly, the two big dictators, Hitler and Stalin, both practiced “collective penalties” against the family members of people who they deemed enemies of the state.
Does Israel still practice “collective punishment” against the families of suicide bombers? They’re not a dictatorship, but it’s within the spirit of the OP.
“Honey, we’ve got to leave our house now. Your crazy uncle Ahmed blew himself up in Tel Aviv, and the bulldozers will be here in 5 minutes.”