Between 1970 and 1972, a group of activists used weapons to symbolically attack property, sparked by demonstrations in London against the Vietnam War. Calling themselves the Angry Brigade, the group published a series of communiqués with the actions, explaining the choice of targets and the philosophy. Targets included the embassies of repressive regimes, police stations, army barracks, boutiques, factories, government departments and the homes of Cabinet ministers, the Attorney General and the Commissioner of the Metropolitan Police. The attacks on senior authority figures increased the desire for ‘results’ and consequently brought an avalanche of police raids. But from the start the police were faced with the difficulty of getting to grips with the section of society they found to be totally alien — were they facing an organisation, or an idea?