Putin was KGB mafia boy.

Kravcuk, and Kucma were party bosses of state enterprises.

Aliyevs were KGB men

Shevardnaze was USSR's foreign minister

The whole of Central Asia is basically ruled by exactly the same Moscow's satraps since late eighties, with exception of wild tempered Kyrgyzstan.

Mongolia, "the 16th republic," also had communist comeback, only ended by an extreme, Norko style economic collapse.

The only country of ex-USSR where CPSU did not recapture the power outside of Baltics was Armenia, but only thanks to power going to their nazis. A medicine worse than the poison.