For Black drivers, a police officer's first 45 words are a portent of what's to come

Scientists are studying police camera footage to understand why some car stops of Black men escalate and others don't.Hill Street Studios/Getty Images When a police officer stops a Black driver, the first 45 words said by that officer hold important clues about how their encounter is likely to go.Car stops that result in a search, handcuffing, or arrest are nearly three times more likely to begin with the police officer issuing a command, such as "Keep your hands on the wheel" or "Turn the car off."

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