 The Inter City Firm were one of the first " casuals , " so called because they avoided police supervision by not wearing football @-@ related clothing and travelled to away matches on regular InterCity trains , rather than on the cheap and more tightly policed " football special " charter trains . The group were an infamous West Ham @-@ aligned gang . As the firm 's moniker " inter city " suggests violent activities were not confined to local derbies – the hooligans were content to cause trouble at any game , though nearby teams often bore the brunt . 
