Sergeant MartinYou know, telephones are funny things. Now, look, why don’t you look at it this way: Supposing you hadn’t broken in on that telephone call. Supposing you got your husband the way you always do. You wouldn’t be so upset, would you? Agnes StevensonI...well I suppose not. But it sounded so inhuman, so cold blooded… Sergeant MartinWell, a lot of murders are plotted in this city everyday, ma’am. We manage to prevent almost all of them, but a clue of this kind is so vague, it isn’t mu