His Goal: To Kill An «Even Fifty»They called him «Uncle Willie.» At night, Robert «Willie» Pickton visited the streets of Vancouver's Downtown Eastside. The women he picked up never came back. . .His Methods: Rape And TortureFor years, police built a long list of missing prostitutes, women at the edge of society. Some people claimed there was a serial killer. One detective lost his job for saying so. But investigators didn't have a single body. . .until someone found a skull sawed in...