“Thank you, sir,” Corbett acknowledged, “but I don’t think we need to detain you any longer. I’m sure you would like to be with your family.” It was a dismissal, politely phrased.

Mallory hesitated, looking at Pitt. He was obviously unwilling to leave, as if something he should have prevented might happen in his absence. He looked down at the still figure on the floor. “Can’t you cover her up again… or something?” he said helplessly.

“When the superintendent’s seen everything he needs to, we’ll take her away to the mortuary, sir,” Corbett answered him. “But you leave us to get on with it.”

“Yes… yes, I suppose so,” Mallory conceded. He swiveled on his heel and walked across the exquisite floor and disappeared through an ornately carved doorway.

Corbett turned to Pitt. “Sorry, Mr. Pitt. It seems like a very ugly business. You’ll want to speak to the witnesses for yourself. That’ll be Mrs. Parmenter and the maid and the valet.”

“Yes.” Pitt took a last look at Unity Bellwood, fixing in his mind’s eye the way she lay, her face, the thick honey-fair hair, the strong hands, limp now but long-fingered, well cared for. An interesting woman. But he would probably not need to learn a great deal about her, as he had to in most cases. This one seemed regrettably clear, merely tragic, and perhaps difficult to prove before a court. He turned to Tellman, standing a couple of yards behind him. “You had better go and speak to the rest of the staff. See where everybody was and if they saw or heard anything. And see if you can discover what that substance is on her shoe. And be discreet. Very little is certain so far.”

“Yes sir,” Tellman replied with an expression of disgust. He walked away, shoulders stiff, a little bounce in his step as if he were spoiling for a fight. He was a difficult man, but he was observant, patient and never backed away from any conclusion, no matter how he might dislike it.