Dexter is a charming forensic blood spatter analyst, who also happens to be a serial killer. He is the adopted child of Harry Morgan and Doris Morgan, as well as the adopted brother of Deborah Morgan. Dexter's biological mother was killed in a gruesome way with a chainsaw, a trauma that have form to his urges and clear dislike of blood. He's currently blood spatter analyst, collected, processed, and interpreted evidence for the Miami Metro Police Department. A killer in plain sight.