When is the last a black man hit a white child with a car,and was beaten to a pulp by a crowd of enraged whites?
Let me take a stab at that. I would say, about 476,000 years ago.
From John Derbyshire
(9) A small cohort of blacks—in my experience, around five percent—is ferociously hostile to whites and will go to great lengths to inconvenience or harm us. A much larger cohort of blacks—around half—will go along passively if the five percent take leadership in some event. They will do this out of racial solidarity, the natural willingness of most human beings to be led, and a vague feeling that whites have it coming.
(10) Thus, while always attentive to the particular qualities of individuals, on the many occasions where you have nothing to guide you but knowledge of those mean differences, use statistical common sense:
(10a) Avoid concentrations of blacks not all known to you personally.
(10b) Stay out of heavily black neighborhoods.
(10c) If planning a trip to a beach or amusement park at some date, find out whether it is likely to be swamped with blacks on that date (neglect of that one got me the closest I have ever gotten to death by gunshot).
(10d) Do not attend events likely to draw a lot of blacks.
(10e) If you are at some public event at which the number of blacks suddenly swells, leave as quickly as possible.
(10f) Do not settle in a district or municipality run by black politicians.
(10g) Before voting for a black politician, scrutinize his/her character much more carefully than you would a white.
(10h) Do not act the Good Samaritan to blacks in apparent distress, e.g., on the highway.
(10i) If accosted by a strange black in the street, smile and say something polite but keep moving.
Violate #10 at your peril.