Ep.11 One of Russia's most prolific serial killers, Popkov was convicted of 22 murders in 2015, and confessed to 59 additional homicides three years later. On December 10, 2018 he was convicted for 56 of the 59 additional homicides. For three killings, the police could not find proof. To know more about the case check this link :https://allthatsinteresting.com/mikhail-popkov A No Money Productions Original.