The New York Times
For 14 months, officers from the high-profile Scorpion unit of the Memphis Police Department in Tennessee patrolled city streets with an air of menace, zooming up on targets, jumping out of their Dodge Chargers at a dead run, shouting at people to get out of their vehicles, lie down on the ground. They did it to Damecio Wilbourn, 28, and his brother as they pulled up to an apartment building last February. They surrounded Davitus Collier, 32, as he went to buy beer for his father in May. And las