Anslinger wrote back firmly. “The marihuana evil can no longer be temporized with,” he explained, and he would fund no independent science, then or ever. For years, doctors kept approaching him with evidence that he was wrong, and he began to snap, telling them they were “treading on dangerous ground” and should watch their mouths. Instead, he wrote to police officers across the country commanding them to find him cases where marijuana had caused people to kill—and the stories started to roll
