In chapter 5 Lennie realizes that he has killed the pup, he is angered because he knows that he will not be able to take care of the rabbits
then Curley's wife came in the barn to talk to Lennie and while she was there she confide in him telling him that she could have been a famous movie star and how she married curley to get away from her mom.
Lennie reveals to Curley's wife that he gets into trouble when he touches soft things.Then Curley wifes start to talk about how soft her hair is allowing Lennie to stroke her hair. after a while Curley's wife wants Lennie to stop but he won't. trying to fighting Lennie off, Lennie ends up breaking her neck, causing her death.
lennie angered once again remembers that George said if anything bad happens go to the woods and he will find him.
Candy was the first one to find Curley's wife dead. immediately he ran to George because he knew Lenniehad killed Curley's wife.
give me a couple of minutes
when candy showed curleys wife body everyone was shocked, Curley immediately knew who done it. enraged with anger Curley starts making plans to kill Lennie, Curley asked carlson to go get his gun but it was gone