his brother and his friends bullied him and on his b-day, they decided to do a "prank" on him and put his head into fredbears mouth for a few seconds. the springlocks were loose and the jaws fell on chris's head. he was in a coma for a few days till he was pronounced dead a few days after. this event is known as the bite of 87/83. later on, chris possesed shadow freddy. most of the souls like elizabeth afton, posses the animatronic that killed them, but chris didnt want that.
