Dig My Grave Deep , by Peter Rabe (epub/Kindle/pdf)

He was a tall, cleanly attractive young man, the kind you'd like to have for a neighbor. Press the wrong button and he'd mow you down with the ruthlessness of a Sherman tank. His name was Daniel Port. He was a gangster, the brain and spirit behind the machine that milked the dirty pennies from the city. Now Port wanted out. He had a bellyful of corruption, a one-way ticket to New York, and a dark, shining girl to go along with it. The problem was to get there alive, because the one way out for Daniel Port was over his own freshly dug grave...