Well they obviously want information. Even if they know the charges will be dropped, arrests give them names, mugshots, fingerprints, any incidental information an activist might let slip. Furthermore, repressive police tactics of all kinds, like mass kettling or the recruitment of spies, do more than produce information. They are a strategic deterrent from participation in political struggle.
Interview with one of the activists the police tried to recruit to spy on on other activists in Cambridge on rs21.org.uk












