The Russian intention to fabricate a link between Ukraine and the attack in Moscow seeks to unify a single enemy. The danger of the move is that this theory can end up exhibiting a terrifying proximity to war.
Putin, a leader who has developed an image of an implacable boss unaccustomed to defeats, has faced an existential problem loaded with particularities. Not much is known about this terrorist organization. Ignorance fuels paranoia in Moscow or Tehran, and not only there, that this is a throwing stone that could have stimulated Washington and its allies.