Question: who was the first person norman bates killed

title: Norman Bates
text: After Norman 's father died , Norman and his mother lived alone together `` as if there was no one else in the world '' until Norman reached adolescence , when his mother met Joe Considine ( Chet Rudolph in Psycho IV : The Beginning ) and planned to marry . Considine convinced Norma to open a motel . Driven over the edge with jealousy , Norman murdered both of them with strychnine . After committing the murders , Norman staged it like murder - suicide , making it look as if Norma had killed her fiancé and then herself . After a brief hospitalization for shock , he developed dissociative identity disorder , assuming his mother 's personality to repress his awareness of her death and to escape the feelings of guilt for murdering her . He inherited his mother 's house -- where he kept her corpse in the fruit cellar -- and the family motel in the ( fictional ) small town of Fairvale , California . 

Answer: answer: Driven over the edge with jealousy , Norman murdered his mother met Joe Considine.
answer: When Noman's mother met Joe Considine and planned to marry, driven over the edge with jealousy, Norman murdered both of them with strychnine.