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Seems like BART's decision to stop releasing footage of crimes committed on SF public transit agrees with you.
https://sanfrancisco.cbslocal.com/2017/07/09/bart-withholdin...
1. No, that isn't a thing in the USA.
2. It's not a case of violent ethnic minority preying on peaceful ethnic majority. There probably isn't a single "white" person involved in any of those crimes, as assailant or victim.