La ragazza dal pigiama giallo (The Pyjama Girl Case, 1977)

"This is Timpson. Listen closely, Morris; this is an important message. I think I'm going to meet the murderer of Glenda Blythe. I've got an appointment with him in Sutherland. He's very sure of himself, so he could be dangerous. But I don't intend giving up the case now. That's why I'm telling you - in case something goes wrong."