"My Friend Dahmer" is a graphic novel by Derf Backderf that explores the teenage years of Jeffrey Dahmer, who later became a notorious serial killer. The story is based on Backderf's real-life experiences as a classmate of Dahmer in high school, depicting his struggles with isolation and mental health issues. The narrative provides insight into Dahmer's early life, showcasing his odd behavior and the challenges he faced while trying to fit in. Through a blend of humor and tragedy, the book highlights the complexities of friendship and the warning signs that can be overlooked in troubled individuals.