The activists who say they posted BlueLeaks tell the inside story of how the massive trove of police documents revealed how cops were tracking protesters

· On June 19, the freedom of information advocacy group Distributed Denial of Secrets (DDOS) posted "BlueLeaks," 269 gigabytes of hacked data from more than 200 American police departments.
· Three weeks later, it was shut down after US law enforcement asked German authorities to seize the secure server that was hosting the...