I don’t think it’s a coincidence that the US announced it would lift the ban on American contractors going to Ukraine at the same time as this. Russia reaps what it sows. Ukraine gets highly payed and skilled contractors, in return, Russia gets malnourished and untrained Korean conscripts.
I think it depends on whether the inmates actually want to or not. If they think fighting in a defensive war to gain their freedom is a good deal more power to them