Credit goes to
Frank Herbert, in Dune, for the "feint within a feint."
Bit of unsolicited advice for Ukraine: If Russia suddenly abandons large areas, only send recon forces into those areas.
This may be related to who blew up the dam. By doing so, it cut the water supply to Crimea. Not a smart tactical move.
Mercenary armies always carry two edged swords. Dangerous they can become.