News Police violence ‘enforced white supremacy’ during 1960s protests. Similar tactics are still used today. November 12, 2021 N'dea Yancey-Bragg, USA TODAY Comments Off on Police violence ‘enforced white supremacy’ during 1960s protests. Similar tactics are still used today. Police used some of the same tactics to stop 1960s protests and Black Lives Matter demonstrations: violence and arrests.