RUSSIA'S bloodiest serial killer who butchered "200 women" is volunteering to fight for Vladimir Putin in Ukraine. Mikhail Popkov, 58, aims to be released under the clause in Russian law that pardons criminals of past convictions if they fight in the war and stay alive for more than six months. 6 Mikhail Popkov is currently serving to two life sentences for murdering 78 women Credit: AFP or licensors 6 The lunatic is hoping to be pardoned of his convictions by fighting for Putin Credit: EPA The controversial scheme has already seen thousands of murderers, rapists and other criminals become mercenaries...