#tbt Pittsburgh G20 Protest: a weekend of weekend of useful workshops, great speakers, and protest marches. I learned what it meant to experience CS (tear) gas, flash bang grenades, and the first use of a LRAD within the USA (you can see it behind the cop). The Long Range Acoustic Device aka “the scream” acts as laser for sound by emitting sounds 50x louder than the human threshold for pain. For me, this is when a lot of the militarization of the police hit a new threshold. No more water hoses and beanbags — a door was opened for devices designed for the military to be used on US citizens indiscriminately. But this is a door we can close. We decide. #PoliceReform

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