<P> On Halloween night 1963 , in the town of Haddonfield , Illinois , six - year - old Michael Myers , dressed in a clown costume , stabs his older sister Judith to death with a knife in their home . Fifteen years later on October 30 , 1978 , Michael 's psychiatrist , Dr. Samuel Loomis , and his colleague , Marion Chambers , arrive at Smith 's Grove Sanitarium to escort Michael to court . Noticing that the patients are wandering about , Loomis gets out of the car to investigate , allowing Michael , who has escaped , to steal Loomis 's car . Returning home to Haddonfield , Michael kills a mechanic for his uniform and steals a mask , some knives , and some rope from a local hardware store . </P>
<P> On Halloween night 1963 , in the town of Haddonfield , Illinois , six - year - old Michael Myers , dressed in a clown costume , stabs his older sister Judith to death with a knife in their home . Fifteen years later on October 30 , 1978 , Michael 's psychiatrist , Dr. Samuel Loomis , and his colleague , Marion Chambers , arrive at Smith 's Grove Sanitarium to escort Michael to court . Noticing that the patients are wandering about , Loomis gets out of the car to investigate , allowing Michael , who has escaped , to steal Loomis 's car . Returning home to Haddonfield , Michael kills a mechanic for his uniform and steals a mask , some knives , and some rope from a local hardware store . </P>
how old was michael myers when he killed his older sister
how old was michael myers when he killed his older sister
six
six