Neighborhood Wash/Watch -- the blood stains are still there, not only in this death but in many other deaths.
Shoot First/Kill at Will/Stand Your Ground laws result, consistently, in more homicides, but not in less crime.
From THE 16 July 2013 Minneapolis Star Tribune (by permission--got that?):
And while we're at it:
That was the students from Howard University School of Medicine, making a strong point about "get away with murder" laws..