Most of what you say is true (the snide Calipornian comment aside), but what has any of it to do with the young lady's anecdote smelling of BS?
Actually, when you get down to it, what does it have to do with the thread, which I took to be about the increasing number of cases of black teenagers attacking whites and, in this case, causing the death of a white man which are not being attributed to racism? While we are at it, don't diss those "criminal" Mexicans, yet. They're doing a bang up job of ethnic cleansing of blacks here in California and your day is likely coming in the North East,
Just as the latter ethnically cleansed white folk from Newark, St. Louis, Philly, Baltimore, much of Chicago, etc. We are used to ethnic succession in the northeast.