<Ul> <Li> Peter Gusenberg , a frontline enforcer for the Moran organizations . </Li> <Li> Frank Gusenberg , the brother of Peter Gusenberg and also an enforcer . </Li> <Li> Albert Kachellek ( alias `` James Clark '' ) , Moran 's second - in - command . </Li> <Li> Adam Heyer , the bookkeeper and business manager of the Moran gang . </Li> <Li> Reinhardt Schwimmer , an optician who had abandoned his practice to gamble on horse racing and associated with the gang . </Li> <Li> Albert Weinshank , who managed several cleaning and dyeing operations for Moran . His resemblance to Moran , including the clothes he was wearing , is what allegedly set the massacre in motion before Moran actually arrived . </Li> <Li> John May , an occasional car mechanic for the Moran gang . </Li> </Ul>
who was killed at the st valentine day massacre
Peter Gusenberg Frank Gusenberg Albert Kachellek Adam Heyer Reinhardt Schwimmer Albert Weinshank John May