Black-haired, dark-browed Gerard Graham Dennis seemed to have been born to live brazenly. He had a grenadier's imperious good looks, and a gentleman's taste in clothes. He liked champagne, dance music, danger and girls, especially brunettes with high cheek bones. He was endowed with intelligence and a barefaced talent for lying. He had no scruples against shooting a man, aborting a girl, or whacking an old lady over the head with a pistol butt.
His career, however, began haltingly—as a youth in Ontario, Canada, he was repeatedly arrested for housebreaking and petty crimes, was thrice hustled off to reform schools. But...