 They delivered a box booby trapped with an egg hand grenade to his home, but Grande foiled the attempt with advice Norwegian Gestapo agent Henry Rinnan (who was present at the time) had received on not to open such boxes.Following the attempted assassination, he was ordered to not get himself involved in any further such attempts, as it was considered too risky for him.Gjems-Onstad took over as leader of the group from Sørli in October 1943, and it was decided to pull him out of Norway and close the radio station following news that Pevik had been arrested.