Dexter is an American television series which airs on Showtime in the United States. Dexter premiered on October 1, 2006, and is based on the novel Darkly Dreaming Dexter, by Jeff Lindsay.[1] The show follows the live of protagonist Dexter Morgan, a a Miami Metro Police Department blood spatter analyst with a double life.[2] While solving murders in the Homicide division, Dexter also spends his time hunting and killing murderers and criminals who have escaped the justice system.[2] While the first season follows the events of Darkly Dreaming Dexter, the show's second and third seasons do not follow the second and third novels.[3] Writer Daniel Cerone explained that the writers "didn't see the opportunity in the second book" to continue on the path that they hoped to go down and chose to depart from Lindsay's second Dexter novel, Dearly Devoted Dexter.[3]   «   Summary from Wikipedia