However, froth from mouth and nose when the chest was pumped down on was a sign that the body was alive when it entered the water. So was the presence in the brain, marrow, kidney and so forth of diatoms. Diatoms, Dr Curt never tired of explaining, were micro-organisms which penetrated the lung membrane and would be pumped around the bloodstream by a still-beating heart.
But there were other signs, too. Silted matter in the bronchial tubes provided evidence of inhalation of water. A living person falling into water made attempts to grip something (a true-life 'clutching at straws') and so the hands of the corpse would be clenched. Washerwoman's skin, the shedding of nails and hair, the swelling of the body – all these could lead to an estimate of the amount of time the corpse had spent in the water.
As Curt pointed out, not all the relevant tests had been completed yet. It would be a few more days before the toxicology tests would yield results, so they couldn't be sure yet whether the deceased had taken any drink or drugs prior to death. No semen had been found in the vagina, but then the deceased's husband had provided information that the deceased 'had trouble' with the pill, and that her preferred method of contraception had always been the sheath…
Christ, thought Rebus, imagine poor old Jack being asked about that. Still, there might be even less pleasant questions to answer…
'What we have so far,' Curt said, while everyone begged him silently to get on with it, 'is a series of negatives. No froth from the mouth and nose… no silted matter… no clenched hands. What's more, rigor mortis would suggest that the body was dead prior to immersion, and that it had been kept in a confined space. You'll see from the photographs that the legs are bent quite unnaturally.'
At that moment, they knew… but still he hadn't said it.
'I'd say the body was in the water not less than eight hours and not more than twenty-four. As to when death occurred, well, some time before that, obviously, but not too long, a matter of hours
'And cause of death?'
Dr Curt smiled. 'The photographs of the skull show a clear fracture to the right-hand side of the head. She was hit very hard from behind, gentlemen. I'd say death was almost instantaneous…"
There was more, but not much more. And much mumbling between officers. Rebus knew what they were thinking and saying: it was the same M.O. as the Dean Bridge killing. But it wasn't. The woman found at Dean Bridge had been murdered at that spot, not transported there, and she had been murdered on a riverside path in the middle of a city, not… well, where had Liz Jack died? Anywhere. It could be anywhere. While people were muttering that William Glass had to be found, Rebus was thinking in a different direction: Mrs Jack's BMW had to be found, and found quickly. Well, he was already packed, and he'd okayed the trip with Lauderdale. Constable Moffat would be there to meet him, and Gregor Jack had provided the keys.
'So there it is, ladies and gentlemen.' Curt was saying. 'Murder would be my opinion. Yes, murder. The rest is down to your forensic scientists and yourselves.'
'Off are you?' Lauderdale commented, seeing Rebus toting his bag.
That's right, sir.'
'Good hunting, Inspector.' Lauderdale paused. 'What's the name of the place again?'
'Where is it expensive to be a Mason, sir?'
'I don't follow… ah, right, a dear lodge.'
Rebus winked at his superior and made his way out towards his car.
It was very pleasing the way Scotland changed every thirty miles or so – changed in landscape, in character, and in dialect. Mind you, stick in a car and you'd hardly guess. The roads all seemed much the same. So did the roadside petrol stations. Even the towns, long, straight main streets with their supermarkets and shoe shops and wool shops and chip shops… even these seemed to blur one into the other. But it was possible to look beyond them; possible, too, to look further into them. A small country, thought Rebus, yet so various. At school, his geography teacher had taught that Scotland could be divided into three distinct regions: Southern Uplands, Lowlands, and Highlands… something like that. Geography didn't begin to tell the story. Well, maybe it did actually. He was heading due north, towards a people very different to those found in the southern cities or the coastal towns.
He stopped in Perth and bought some supplies – apples, chocolate, a half bottle of whisky, chewing gum, a box of dates, a pint of milk… You never knew what might not be available further north. It was all very well on the tourist trail, but if he stepped off that trail…
In Blairgowrie he stopped for fish and chips, which he ate at a Formica-topped table in the chip shop. Lashings of salt, vinegar and brown sauce on the chips. Two slices of white pan bread thinly spread with margarine. And a cup of dark-brown tea. The haddock was covered in batter, which Rebus picked off, eating it first before starting on the fish.