The boy ran and called the police. They found the body of Ann Clark at the bottom of the lake and under a tree was George Martin's knife, covered in blood. He was guilty of murder, of course, and they hanged him five weeks later. After that, everyone knew it as Martin's Lake, although it's dry now. And, do you know,' said old John Hill, 'that even now no one will sing that song in this village. People say it's unlucky