Protesters describe the police brutality they’ve faced while protesting police brutality

The police response to protests across the country has been strikingly similar.

In Philadelphia, police cornered peaceful protesters on the side of a highway and tear-gassed them en masse. In Portland, Oregon law enforcement used what’s known as a sound cannon — or a Long Range Acoustic Device — to send a piercing signal through a crowd of demonstrators. And in Washington, DC, National Guard officers flew military helicopters over protesters on the ground, an intimidation tactic…