Sowerbutt's Logic

Sowerbutt said: “The first job is to work out why they are in Norfolk and where they are going. Lee Gerard is of the view they are heading for Weybourne and a U-boat - they would not know the wireless there is in our hands."
http://www.amazon.co.uk/Colour-Gold-A-Kings-Ransom-ebook/dp/B00HT7NUP4