The Return of Tom Dillon
Novella 25,170 words Recommended by 2 award/anthology sources
"Police detective Hector Kovack couldn’t take the bullet back. He lay in the gray, predawn ooze of a hungover Martian Tuesday morning, twisting the thought with all his might. Or trying. Drunk, hungover or sober, the truth wouldn’t twist. No matter how many questions he answered for Internal Affairs or how long they kept him chained to a desk..."
Quasar links out; the story lives on Analog, where the author gets the click.