There is all kinds of speculation. The videos that have been posted have been analyzed and re-analyzed to try and determine if the were old.
My theory is he is hiding behind the curtain and will re-emerge and eliminate whoever is cheering his demise.... Ala Soviet era tactics.
All that we can be sure of is that SOMETHING is about to happen in Russia. Change in leadership is the best guess. Putin may have over reached and be out of power. Or???