Martin Eugen Ekström ( 6 December 1887 – 28 December 1954 ) was a Swedish military adventurer who became the leader of the National Socialist Bloc , an umbrella organization for various fascist and National Socialist groups . Ekström was born in By , Avesta Municipality . During the 1918 Finnish Civil War , he led the Vasa Regiment which was responsible of the Vyborg massacre . Lieutenant colonel Ekström led the 3rd Battlegroup of the Swedish Volunteer Corps in the Finnish Winter War . He died in Helsinki , aged 67
Vyborg massacre
Vyborg massacre
Martin Ekström