As a result of ACLU subpoenas during the discovery in the "Rank" lawsuit, the ACLU obtained the White House's previously-classified presidential advance manual. The manual gives people organizing presidential visits specific advice for preventing or obstructing protests. "There are several ways the advance person" – the person organizing the presidential visit – "can prepare a site to minimize demonstrators. First, as always, work with the Secret Service to and have them ask the local police department to designate a protest area where demonstrators can be placed, preferably not in view of the event site or motorcade route. The formation of 'rally squads' is a common way to prepare for demonstrators … The rally squad's task is to use their signs and banners as shields between the demonstrators and the main press platform … As a last resort, security should remove the demonstrators from the event site."