She jabbed a cigarette-stained finger at Rennie. ‘You, Procedure Boy, who’s FAO? ’

Rennie nodded at a patrol car parked on the other side of the road. ‘Constable Duncan.’

Steel hauled up her trousers. ‘Thrown off my own sodding crime scene. . .’ She gave Rennie one last scowl, then turned on her heel and scuffed across the street to the patrol car. Chalmers waited a couple of beats, then followed her.

Rennie closed his eyes and sagged on the spot. ‘I’m sorry, OK? I panicked and I didn’t know what to do and it was all happening so fast and there’s all this blood. . .’

Logan looked up and down the street. Quiet so far, but that would change. ‘You’re a right pain in the backside, you know that, don’t you? ’

He drooped even further. ‘Sorry, Guv.’

‘Don’t worry, you did the right thing. No one in or out.’ Then Logan followed Steel and Chalmers over to the patrol car.

The passenger door was open, a police officer sitting sideways in the seat with his feet in the gutter, head between his knees. He’d stripped off his stab-proof vest and dumped it on the driver’s seat.

Steel poked him on the shoulder. ‘You the First Attending Officer? ’

He nodded, then blew out a long shuddering breath.

‘No’ what you expect, is it? Hacked-up body on a nice Monday evening.’

Constable Duncan’s voice came out muffled from way down there. ‘It was . . . like a horror film. . .’

A young couple passed on the pavement opposite, giggling and murmuring, heads together, eating chips from rectangular cardboard boxes. The scent of batter and hot vinegar coiled out around them. The girl peered into the patrol car. ‘You doing someone? ’

Logan nodded at the house with its half-arsed barrier of blue-and-white tape. ‘You know who lives there? ’

Her boyfriend jammed in another handful of chips. ‘For sale, isn’t it? ’

As if the estate agent’s sign in the lawn wasn’t enough of a clue.

‘Darren.’ She smacked him on the shoulder, leaving greasy fingerprints on his AFC tracksuit top. ‘Been empty for ages. Think they went to Dubai or somewhere, you know, for work and that? ’

Steel straightened herself up. ‘You pair know it’s an offence to withhold evidence or lie to a police officer, right? So you’d better think really carefully before answering. . .’ She squinted at the pair of them. Squared her shoulders. ‘Where’d you get those chips? ’

Steel counted out three grubby tenners into Chalmers’s palm. ‘Three fish suppers, one with pickled onion, a thing of mushy peas, and some tins of Irn-Bru.’ She looked down at the constable, still sitting in the passenger seat with his head between his knees. ‘You want some chips, Duncan? ’ No answer. ‘Get him one too.’

Chalmers pocketed the cash. ‘Ma’am.’

‘And get something for Rennie. Nothing fancy – mock chop or something – don’t want him getting ideas above his station.’