Sally heard the thud, the void, hollow sound as when the butcher wields his chopper on the naked bone.
She saw one glimpse of the bloody face as it fell out of the circle of light into the shadows that hung about the ground, and the little cry that drove its way between her teeth was drowned by Traill's exclamatory delight.
"Good left!" he called out excitedly; "follow it up, man! Follow it up! Don't let him forget it!" Through the fogged haze of sensation, in which for the moment she was almost lost, Sally heard the sudden cessation of voices below.

She heard the scurrying of feet and Traill's low chuckle of ironical laughter.
"It's all right!" he called to them.

"Go on as far as I'm concerned.
I'm nothing to do with the police.

You know your own job better than I do.

I don't want to interfere with it.