Film and TV are the ultimate collaborative projects, an anthill of various experts uniting for a single cause.If one or two cogs fail to operate it can make the entire endeavor seem like crap.
If this review was a single word, a "FFFUUUUUUUUUUUU" that stretched over the distance of 4-5 paragraphs, I believe that most Dexter viewers would stroke their beard (literal or figurative) and nod in calculated agreement.
With Debra, the emotional center of the show, we see a layered and developed struggle to accept the unacceptable --- that the most important person in her life is a serial killer.