He is portrayed as a skilled and methodical killer that can't feel fear, often demonstrating a deep understanding of human psychology. His troubled past is often explored, revealing traumatic experiences that have shaped his twisted worldview. Ackerman's interactions with other characters are marked by a blend of charisma and menace, making him both intriguing and terrifying. He's good at manipulation. He now works for the FBI under a new name: Franklin Stine. 