SIXTEEN ‘So what do we know about this Sexton bloke, sir?’ Sergeant Sunderland eased the car into third gear as he posed this query. ‘Not a lot,’ said David Llewellyn, glumly. ‘He used to be a GP but now practises as some sort of psychiatrist. I suppose there’s more money in doling pills out to the nervous and depressed. And he is supposed to be writing a book about the criminal mind.’ ‘I could give him a few pointers on that subject,’ grinned Sunderland. ‘I’m sure you could, Sergeant, but I reckon the good doctor is more concerned with the causes of criminal behaviour rather than how to spot a snout at a hundred paces.’ ‘You may be right.’ ‘But Sexton spent a lot of time interviewing Northcote at Newfield House. He must have got to know him very well. God help us, he should be able

