Dexter hunts Alex Timmons, a corrupt Gulf War veteran who used the cover of war to kill the innocent.

Dexter sets his crosshairs on a marine sniper.

Dexter stalks his prey.

Dexter takes a trophy.

A young Dexter encounters arsonist Gene Marshall and is forced to rethink his methods.

Aired after the finale of season 4. The shocking season 4 finale of Dexter was kept as a secret until the last minute that the cast alone had to scramble in the dark.

DARK ECHO tells a story in which Dexter is challenged by a copy-cat killer who does not follow any sort of code. Dark Echo opens immediately after the death of Dexter's father, Harry, with Dexter in his early twenties and his sister Debra still in high school. Dexter is enrolled in medical school where he's studying anatomy to improve his "craft." During a routine kill, Dexter realizes that another student has been spying on him and knows that he is a serial killer. He confronts the student after he begins to commit murders in Dexter's style and the two clash over the ethics of their situations.

Watch episode one of the new online series The Dark Defender. The Dark Defender rids Miami of a notorious gang lord. Stalker of the night, his blade of vengeance turns wrong into right.

Watch episode two of the new online series The Dark Defender. The Dark Defender kills a murderous car dealer. Stalker of the night, his blade of vengeance turns wrong into right.

Watch episode three of the online series The Dark Defender. The Dark Defender goes after a copycat killer. Stalker of the night, his blade of vengeance turns wrong into right.

Produced as part of a pitch to Showtime to develop a series of Dexter Motion Comics.

Dexter hunts a new killer on New Year's Eve.

Dexter receives some new clues in his hunt for the prostitute killer.

In Chapter 4 Dexter flashes back to a childhood incident where Deborah sensed his darkness.

Jim Conley, the forensics supervisor of the Anaheim Police, tells the story of a murder investigation in which his knowledge of blood spatter was crucial.