Investigators also find the lover of the mass murderer's wife: Mikhail Popkov claims his jealously led to him slaughtering at least 81 women.
'Werewolf' Mikhail Popkov confessed to reign of terror to 'cleanse' streets of prostitutes, yet relatives say he is innocent.
State investigators examining whether 'The Werewolf' had 'dozens' more victims in Siberia and Russian Far East.
Former policeman dubbed 'the werewolf' even used his own patrol car to pick up his victims before subjecting them to horrific abuse and injuries.
New confessions mean his female victims now number 69, with at least a dozen more charges expected soon, taking his macabre toll to 81.
Nicknamed 'The Werewolf', police probe new deaths 'in vengeance for his fears wife cheated on him'.
Chilling confession of Russia's worst-ever maniac as he is formally charged with 60 new murders.
'Perfect husband and father' axed, stabbed or strangled full-figured women 'who resembled his mother'.