While she was walking down the dark path, she passed the man who would murder her. Before this, he’d never done anything out of the ordinary, or not that we know of. He earned good money as a telecoms engineer, was married with a young child. That night he’d been drinking steadily, also out at his work Christmas do, and as he passed Marilyn, some notion took him, something made him pull her into the bushes, rape and strangle her, and leave her naked body discarded there.