IT WAS AFTER A SANDWICH lunch at their desks that Mary Carmody popped her head round the door. ‘Can I have a word, Guv?’ ‘You can have several,’ Rafferty replied jovially. ‘Which ones would you like?’ ‘These ones. You know that woman you saw me with at the door earlier?’ ‘Yeah. What about her?’ Mary let go of the door and advanced into the room. ‘Might be nothing, but I could have sworn she recognised the dead man.’ ‘And she denied it, I take it?’ ‘Yes. Adamant, she was.’ ‘We’ve got her address?’ ‘Yes. But I’ve just checked. It doesn’t exist.’ ‘Hmm.’ He studied Mary for a moment, then he smiled. ’Don’t look so worried. This could just be our first break.’ Alternatively, it could be nothing of the sort, just a sad woman who liked looking at corpses. ‘If we get no other leads we’ll