The 9-year-old Black girl sat handcuffed in the backseat of a police car, distraught and crying for her father as the white officers grew increasingly impatient while they tried to wrangle her fully into the vehicle.

"This is your last chance," one officer warned. "Otherwise pepper spray is going in your eyeballs."

Less than 90 seconds later, the girl had been sprayed and was screaming, "Please, wipe my eyes! Wipe my eyes, please!"

What started with a report of "family trouble" in Rochester, New York, and ended with police treating a fourth-grader like a crime suspect, has spurred outrage as t...