Killer also confesses to most of the murders , unclear how many . Jury will decide whether 33-year - old supermarket worker is of sound mind . Killer lured victims by inviting them to drink vodka , then hammering them to death . His lawyer said 33-year-old Alexander Pichushkin had confessed to most of the murders , but it was unclear how many . If convicted Pichushkin would be Russia 's most deadly serial killer since 1992 .
Killer also confesses to most of the murders , unclear how many . Jury will decide whether 33-year - old supermarket worker is of sound mind . Killer lured victims by inviting them to drink vodka , then hammering them to death . If convicted Pichushkin would be Russia 's most deadly serial killer since 1992 .