Be careful occupiers. These tactics are decades old it seems.
This article is really interesting. Undercover officers infiltrating Greenpeace in London.
McLibel leaflet was co-written by undercover police officer Bob Lambert
An undercover police officer posing for years as an environmental activist co-wrote a libellous leaflet that was highly critical of McDonald's, and which led to the longest civil trial in English history, costing the fast-food chain millions of pounds in fees.
The true identity of one of the authors of the "McLibel leaflet" is Bob Lambert, a police officer who used the alias Bob Robinson in his five years infiltrating the London Greenpeace group, is revealed in a new book about undercover policing of protest, published next week.
McDonald's famously sued green campaigners over the roughly typed leaflet, in a landmark three-year high court case, that was widely believed to have been a public relations disaster for the corporation. Ultimately the company won a libel battle in which it spent millions on lawyers.
Lambert was deployed by the special demonstration squad (SDS) a top-secret Metropolitan police unit that targeted political activists between 1968 until 2008, when it was disbanded. He co-wrote the defamatory six-page leaflet in 1986 and his role in its production has been the subject of an internal Scotland Yard investigation for several months.
http://www.guardian.co.uk/uk/2013/jun/21/mclibel-leaflet-police-bob-lambert-mcdonalds