Sociopath character in Jeffery Deaver's speaking in tongues

This thesis is analyzed about sociopath character, Aaron Matthews, in Jeffery Deaver’s Speaking in Tongues and how Aaron Matthews does his revenge to Tate Collier as the main character for his son’s death. This thesis uses psychological approach. This research is using qualitative method. This research is library based; using some books, journals, and internet sources that relates to this study as the references. The purpose of this thesis is to find sociopath characteristics that reflected in Aaron Matthews’ character and how the sociopath characteristics trigger him to take revenge for his son’s death. The researcher found two results of this study. First, the minor character has five sociopath characteristic; manipulative, deceitful, callous, bad temper, and impulsive. Second, the way the minor character’s sociopath characteristics trigger him to take revenge for his son’s death is because he has mental illness; antisocial personality disorder and bipolar disorder.