Law enforcement has kept tabs on demonstrators since anti-police-brutality protests first broke out after the death of George Floyd.<br />According to Business Insider, leaked documents reveal police exchanged protesters' Twitter handles.<br />They also monitored protest plans in private Slack and Telegram channels, and kept lists of people who responded to protest events on Facebook.<br />Records also show law enforcement focusing heavily on perceived threats against officers' lives posted to social media.<br />The files were leaked from fusion centers, or agencies that share intelligence reports between state and local police departments.<br />Hackers leaked the documents to the website DDoSecrets, which describes itself as a publisher that does not participate in hacking.<br />DDoSecrets then published the hundreds of thousands of files in a data dump titled "BlueLeaks."
