http://sls.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/technologies/social-media-monitoring
These tools often allow police to search by hashtag or keyword and which may even generate profiles and predictions. For example, the United States Postal Inspection Service, the law enforcement arm of the post office, were found to have conducted blanket keyword searches (such as “protest,” “destroy,” and “attack”) across social media in its iCOP surveillance program.