[5] The group helped the British Special Operations Executive parachute weapons and supplies into Denmark for distribution to the resistance.

In March 1944 the Gestapo made an "incredible number of arrests" including in the region of Randers Sørensen, his wife, her 17-year-old sister Gerda, her brother Niels and their father the "nationally known folklore collector and keeper of Hvidsten Inn Marius Fiil".

[5] The following month De frie Danske reported that several arrestees from Hvidsten had been transferred from Randers to Vestre Fængsel.

[7] Six months later the January 1945 issue of the resistance newspaper Frit Danmark (Free Denmark) reported that on 29 June the previous year Sørensen and seven other named members of the Hvidsten group had been executed.

[3] On 10 July he was together with the seven other executed group members cremated at Bispebjerg Cemetery.