To clarify my previous statement, though it's only speculation, in addition to transporting Bob Dylan to his hotel or wherever to verify his identity, it may be possible that the police officer may have felt that she or he was offering a White man some measure of protection by picking him up and transporting away from the that "minority" public housing development.

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My assumption is that the police officer in that case is White. But even if the police officer was non-White, my theory might still have been true.

Given the reality of race in the USA, I wonder if the results would have been the same if the lone person walking had been a Black man in a White neighboorhood-