1. To the white/nationalist press he became a hero (a Finnish speaking Finn winning). That alone is enough to make him an enemy of the communists and thus obviously a class traitor as he used to be member of the red/socialist/communist sporting club Helsingin Jyry.

At that time there was 2 sporting unions Jyry was part of the red one. There was a very hard political split along this line for a while (Kolehmainen got fired from his job due to joining Jyry for example).

2. Obviously got bludgeoned to death.