Having said that, Mr. Chairman, just to add a small point there, I think one of the key parts of black bloc tactics that is important to remember is crowd dynamics. What the black bloc folks want to do is draw wider numbers of the peaceful demonstrators into the protest.
Evidence of meeting #35 for Public Safety and National Security in the 40th Parliament, 3rd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was elcock.
A recording is available from Parliament.