The 21-year-old sergeant, Vadim Shishimarin, pleaded guilty to the killing of a 62-year-old civilian in northeast Ukraine in the first days of the Kremlin's offensive.
Russia's Emergency Ministry's regional branch initially said that 17 people were missing, but later announced that four of them were found and rescued. The search for the remaining 13 is ongoing.
Mikhail Popkov was found guilty of killing 22 women in 2015. He later confessed to 59 further murders but was convicted only of 56 because the investigators had not managed to prove three of the crimes took place, Interfax news agency.
In Russia, whilst the already wealthy venues in the west received expensive infrastructure upgrades due to the World Cup, those such as the Spartak Stadium in Novosibirsk are literally left to rot.
The bus, carrying 51 orthodox pilgrims who had been taking part in a procession at a monastery, overturned just before midnight local time on a motorway connecting the cities of Irkutsk and Chita.
Homemade spirits and household products containing alcohol are popular throughout the former Soviet Union as a cheap alternative to standard liquor brands.
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