Intelligence gathered by the undercover officers has been stored on the database, along with information from sources such as informants, covert intercepts, websites of campaigns, and officers who openly film and monitor demonstrations.
The revelations come from the same records request that led to the Intercept's release of documents last summer showing that MTA and Metro-North transit police had regularly spied on Black Lives Matter protesters in and around Grand Central, deploying plainclothes officers to monitor demonstrations, track their movements, and share photos of activists.
Therefore, we developed a video-based facial presence monitoring demonstration system, which acquires images from a video camera and runs on a Windows-based computer in near-real time [5].
The clothes worn to protests serve purposes for the protesters themselves, the subjects of the protest, law enforcement who may be monitoring demonstrations, and onlookers.
A few thousand police were deployed to monitor the demonstration, but there were no immediate reports of clashes.
Protesters and civil rights groups monitoring the demonstration have argued that police have become overly militarized and dangerously aggressive.
They used drones to monitor protest demonstrations by Sunnis but almost all passed off peacefully and with only small numbers of people in attendance.
Police monitoring the demonstration took video footage of the protesters and Javed was arrested later after more than 100 complaints had been made by members of the public.
PC Fletcher, 25, was shot as she monitored a demonstration by anti-Gaddafi students outside the Libyan embassy in St James's Square in April 1984.
City officials say that, although they are monitoring the demonstration daily, they have no plans to move in on the camp in Dewey Square, which is a public park.
