In Murphy's Law, Connor was working with the other delinquents to help build the Camp wall. He began to suffer from dehydration and grew weak. When Murphy saw this he confronted Conner and belittled him. Murphy told him "Maybe we should let the little girl do the lifting for you." Connor explained he just needed some water. When Murphy was ordered by Bellamy to give Connor water, Murphy urinated on Connor and laughed at him. This enraged Connor who lashed out at Murphy and demanded to know what's wrong with him. Two of Murphy's goons held Connor back as Murphy brushed him off with a joke and ordered him back to work.
Later Connor heard when Clarke accuse Murphy of killing Wells. Connor turned vengeful and said that Murphy should be floated. He led the mob and partook in the beating of Murphy. However, when the real killer was revealed he, like most of the camp, showed hesitation in punishing Charlotte. When Murphy went to hunt Charlotte, Connor was one of the many delinquents who stayed behind. He was shown listening to Clarke and Bellamy as they explained why they made the decision to banish Murphy from camp.
In Twilight's Last Gleaming, Connor was recruited to help search for the radio Bellamy tossed in the river. He was seen walking through the water, looking for the device and later stood behind Clarke when it was revealed the radio was fried.
In Day Trip, Connor informed Miller that Roma's parents were on the radio waiting to talk to him. Later that night, Connor was shown under the effects of the hallucinogenic Jobi Nuts. He hugged Raven and asked her to "Tell me again". Raven rolled her eyes and told Connor "You are the most beautiful broom in a broom closet of brooms". Connor was pleased and hugged her again.
In I Am Become Death, Connor was on guard duty with Derek when they heard something outside. They opened fire and then went to investigate. Outside, they found a badly beaten Murphy tangled in the tripwire. They brought him into camp and Murphy informed them that he was tortured by the Grounders. When Bellamy returned to camp Connor along with Derek informed him about Murphy's return.
Later, Connor was one of the first to begin throwing up blood, as Murphy had unknowingly brought a virus with him to the camp. Connor was quarantined in the Dropship with the other sick members of the 100. When Octavia heard Connor choking on blood, she instructed Murphy to turn him over. Murphy assisted Connor who reminded him that it was his idea to float him, but Murphy insisted they were good "let bygones be bygones".
Later that night when everyone was asleep Murphy checked in on the sick and then grabbed a wet rag. While Connor was sleeping Murphy smothered him with the wet rag and killed him and repeated the "bygones" phrase.
Connor appeared to be polite, but when provoked he turned to aggression and violence. Connor was shown to be a rather vengeful towards those who had wronged him when he urged the "floating" of Murphy. Later Connor was shown to be wary of Murphy when he returns to camp.
Connor was initially indifferent towards John Murphy. However, after Murphy belittled, ridiculed and finally urinated on Connor who asked for water, enraged Connor lashed out at Murphy demanding to know what wrong with Murphy but Murphy laughed him off with a joke "you wanted a water break".
Later that day, when Murphy was believed to have murder wells, Connor was the first to demanded "justice" and Murphy to be "floated". Murphy who was wrongfully accused and eventually Banished, seen Connor as responsible and thought vengeance upon him, eventually killing helpless Connor by asphyxiation after gaining his trust.