Are you unaware of the number of people on this message board alone who have readily admitted and stated unequivocally that if they see a black person in their neighborhood they consider them a criminal suspect? As long as there is a significant portion of the U.S. population who believes as they do and acts on it then we will continue to have these incidents.
There are numerous communities in America that are virtually or literally 100% Honky. Its going to pique people's interest when someone of non-honky ethnicity drops in.
I'm sure that the neighbors would be peaking out their windows if I walked down the streets of Watts or Bed Stuy or numerous other Ghettos that the residents don't know me, too.
I'm pretty sure when white walks into ghetto it doesn't get any attention from anybody.
And if he/she get robbed, raped, or killed, it has nothing to do with race.