Caporegime
What would be the the beneifit of Wagner going all the way to Belarus to launch attack. The border between Russia and Ukraine is massive - I don't really understand why all the fighting is happening in just the east - and the rest of the border seems to be mostly uncontested.
Because Ukraine already kicked Russia out of the rest of it. And because the East seems to be the region Russia actually wants, perhaps in order to secure a landbridge to Crimea.