Serial killer Mikhail Popkov, also known as the «Angarsk Maniac», - has been sentenced to an additional ten years in prison for three new episodes, according to the prosecutor’s office of the Irkutsk region, Paralel.Az reports Russian media.

The 59-year-old Popkov was previously sentenced to life imprisonment for the murder of over 80 people, mostly women.

Popkov committed his crimes in the Irkutsk region from 1992 to 2010. Before 1999, he worked in the Ministry of Internal Affairs, where he held the rank of junior lieutenant, and later found employment in a private security company. He targeted women aged 16 to 40, and fragments of their bodies were later found in forested areas and along roadsides in the Angarsk, Usolsky, and Irkutsk districts of the region. He was arrested in Vladivostok in 2012. In January 2015, the Irkutsk Regional Court found Popkov guilty of the murder of 22 women and one attempted murder, sentencing him to life imprisonment.