They used to be called the SPG (Special Patrol Group). They became a byword for thuggish, racist policing, and were implicated in the death of anti-racist demonstrator Blair Peach. The SPG were disbanded in 1986. In 1987, the TSG (Territorial Support Group) were established to fulfill a similar role. They have become a byword for brutal, Islamophobic policing, and have been implicated in the death of Ian Tomlinson, an innocent bystander walking past the 2009 London G20 demonstrations.