At Medium's OneZero [@ozm], new reporting based on “thousands of pages of previously undisclosed emails” confirms “the existence of a massive, secretive network of police departments working together to share controversial facial recognition tools.” That's not good. And here's what's worse. "Officers on the listserv are encouraged to adopt a Fight Club-style directive that precludes group members from discussing the existence of the list publicly," writes Michael Hayes [@michaelhayes]. Excerpt: The emails, which date back to at least 2016, also indicate that these departments explicitly tried to keep this cross-department partnership secret from the public.