It was believed that he had been killed by a blow on the head from a police radio but the exact cause was never officially established. A jury returned a verdict of death by misadventure. The policing of the protest, in which the Metropolitan police’s Special Patrol Group (SPG) were notably involved, remains a topic of debate to this day.
Another 30 years, another demonstration, another death, albeit one that appears to have no link at all to violence by either police or demonstrators. Once again, however, the policing of the protest is under scrutiny.