A former cop, dubbed Russia's deadliest maniac, was sentenced to life after a court found him guilty of 56 more murders which he confessed to. He is already serving a life sentence for killing 22 women he deemed "loose." Popkov, nicknamed 'the Werewolf,' has been given a second life imprisonment by a court in the Siberian city of Irkutsk, Russian media reported. During the long-running hearing, in which 322 court files were brought to the judges' attention, prosecutors said Popkov – a former police officer in Angarsk, the city he terrorized – had a "pathological attraction to killing people." Back in 2012, he was finally caught after a DNA match led investigators to his car. Popkov didn't try to resist arrest and confessed to 22 murders. His victims were women aged between 16 or 40, except for one male, a policeman. The serial killer turned out to be a talented impersonator, investigators said. On duty, he was a measured, law-abiding officer, but as night fell, he would turn into "a