In the original Showtime series, Dexter used the name Patrick Bateman as an alias to purchase M99. Dexter season 1, episode 6, “Return to Sender,” features a sequence in which Dexter explains ...

as she is injected with M99 by her brother and is eventually declared brain-dead, leaving a devastated Quinn in the season finale. Can Harrington's Detective Quinn make an appearance in Dexter ...