BREAKING: @ACLU_NorCAL, @ACLUMN, @ColorOfChange, and @MediaJustice are demanding Twitter investigate Dataminr and act decisively to stop Twitter developers from doing business with law enforcement. Our letter: https://t.co/Jp5eLk0LAT https://t.co/PS4WpR07Ee

— Matt Cagle (@Matt_Cagle) July 9, 2020