Murder Mirage by Kenneth Robeson — Read

EIGHT stalwart policemen were guarding the murder shadow of the woman in the window of the music store. Plainly enough, they did not relish this duty.

That tall, silhouetted figure, with its one slender arm up-raised as if to ward off death, looked too realistic to be a mere picture. After the attempt to break the window, the eight policemen were on the alert.