" And everyone got mad about Kaepernick tweeting an image of a police badge and a slave catcher’s badge with the caption “You Can’t Ignore Your History—Always Remember Who They Are.” People can get mad, but he was telling the truth: throughout the South, that’s exactly how police departments started. Police in the South were in charge of maintaining the economic order, especially retaining the “property” of slave owners. After the Civil War, the cops were back in action making sure that blacks were staying in their place. "

― , How Not to Get Shot: And Other Advice From White People