"Diop Kamau was a cop in California when his father was roughed up during a traffic stop by officers from another police department.
That incident prompted Kamau to quit his job as an officer and begin a new career documenting police abuses on videotape, especially those involving racial profiling, since he and his father are black.
This happened in the late 1980s, well before the internet began regularly broadcasting police abuse videos and even before the infamous Rodney King video.
Today, he runs a website titled Police Abuse where he frequently posts videos of these encounters."
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