His accomplices in child sex gang - a woman and a man - also imprisoned but all their identities kept secret.
Tomsk honours the memory of the child and police hunt the vicious killer.
Dima ate grass and drank from puddles to survive: he is too traumatised to speak and is covered with ticks and mosquito bites.
One had no gloves as she clutched her favourite toy - and is badly frostbitten while both suffered from hypothermia, but survived.
'Six die' as bridges swept away and 7,600 evacuated after heavy rains.
Grieving mother tells how she eyeballed the family friend suspected of brutal sex attack and murder of helpless girl.
Luciya wrongly given by maternity hospital to family in which she had to beg for food.
State of emergency in Irkutsk region as President Vladimir Putin flies in amid carnage from heavy rain - with ‘worse to come’.
Tragedy as teens walked in biting cold rather than wait for bus.