1. One day near the end of 2014, a nineteen-year-old white University of Michigan student named Andrew Jacob was sitting in his dorm, thinking about the police. All he seemed to hear that fall were complaints: about the cop who strangled unarmed Eric Garner, the cop who shot unarmed Michael Brown, the cop who killed twelve-year-old Tamir Rice. Black lives matter, sure, Jacob thought, but what about blue lives? Jacob, who grew up in an affluent Detroit suburb, was not from a police family and had no interest in going into law enforcement, but his father had recently started a…