It's like Schrodinger's cat. But at least we know for sure that a Russian oligarch gave them iPhones and fed them fresh tiramisu.
Discussion
They're supposed to be fighting for Ukraine since Donbas in 2014. Which would mean their goodies would come from American and Israeli oligarchs.
They were defeated, their remnants went on vacation in Turkey, from where they returned to Ukraine and further according to some reports they either continued to fight on the territory of Ukraine or went to a safe European country where they exist as a kind of PMCs.