The Ministry was caught short when the Toronto Police Service misapprehended the boundaries of the security area designated under Regulation 233/10, and used the authority of the Public Works Protection Act to arrest people who were simply in the vicinity of the security fence. [...] Moreover, throughout the weekend of the G20 summit, police exercised their powers under the Act well beyond the limits of the security perimeter, even after the misinterpretation on the part of the Chief of the Toronto Police Service had been corrected. [...] Apart from insiders in the government of Ontario, only members of the Toronto Police Service knew that the rules of the game had changed, and they were the ones holding the deck of “go directly to jail” cards. [...] In the letter, he explained that one of the cornerstones of the security plan for the G20 summit would be the establishment of a security perimeter in the area around the Metro Toronto Convention Centre, to be staffed by Toronto Police Service officers.