Alex Delaware is a fictional character created by author Jonathan Kellerman. He is a psychologist who often assists the police in solving complex criminal cases, using his expertise in human behavior to uncover the truth behind various murders and crimes. Delaware first appeared in the novel "When the Bough Breaks" in 1985 and has since become a central figure in a long-running series of mystery novels. His character is known for his analytical skills, compassion, and dedication to justice, often working alongside his friend, detective Milo Sturgis.