Even with Russian, Cuban, and a little Chinese help. Maduro and his henchmen may be losing control of the country. Not to Juan Guaidó, the properly elected leader, but to bug gangs gaining footholds across the country. They attack military and police with impunity, know they face little if any organized responses.
The military in Venezuela is strongly involved in criminal activities, with these efforts being grouped under what has become known as the "Cartel of the Suns." This makes the attack in Aragua all the more striking given that it has a strong military presence, known to act in conjunction with mega-gangs.
The article cites numerous examples @ An unprecedented attack that killed a general is an ominous sign of growing criminal power in Venezuela