Introduced in season 4, episode 1, "Living The Dream," 'The Trinity Killer' (known as Arthur Mitchell), quickly caused chaos ...

Trinity was first introduced in Dexter Season 4. Played by John Lithgow, he was a lot like Dexter Morgan in that he was a seemingly average man who was secretly a serial killer.

The Trinity Killer prequel has the potential to add a chilling new layer to the Dexter universe. Lithgow’s involvement and the series' finished script is a major win for a project in development ...

Season 4 of Dexter introduced one of the most complex and terrifying villains. Arthur Mitchell, aka the Trinity Killer , carried out a pattern of murder for years before Dexter meets him.

Dexter' gave us a major clue about the series' ending in the finale of Season 4, but we were too occupied to see it.

It looks like the most terrifying villain in the Dexter franchise still has more blood to spill, at least narratively. The long-teased spin-off series focused on the Trinity Killer just got a ...

John Lithgow in "Dexter," Clyde Phillips and Scott Reynolds Everett/Getty EXCLUSIVE: The Dexter Trinity Killer prequel series, following the makings of the notorious serial killer played by John ...

Dexter is resurrecting its most iconic villain for its forthcoming second act at Showtime. Deadline reports that John Lithgow — who won an Emmy for portraying Season 4’s Big Bad Trinity Killer ...

Showtime Networks reported that the Dexter Season 4 finale — featuring The Trinity Killer — was not only the most watched episode of Dexter ever, but was the largest single telecast on the ...

The fifth season of Dexter, Showtime's series about the Miami blood-spatter analyst who moonlights as a serial killer, premieres this Sunday. The upcoming season promises to be something of a ...

Opinions differ, of course, but it's generally agreed that one of the high points - if not the high point - of the first "Dexter" series is Season 4 and Dexter's conflict with the Trinity Killer ...

While Dexter was based on the books by Jeff Lindsay, the TV series’ Phillips created the character of Arthur Mitchell aka the Trinity Killer who first appeared in Season 4 of the Showtime hit.