You would think the answer to this would be "no" if you watched the season finale. After his past was unearthed, 

Yup, the character famously played by Michael C Hall has shuffled off this mortal coil, following a showdown with his troubled and distant teenage son, Harrison (Jack Alcott).

In the finale, it seemed the pair were finally bonding after being reunited, with them both sharing their dark sides and urge to kill.  

They were both "born in blood" as Dexter himself would say, thanks to historical childhood trauma where both, tragically, were left in tears covered in their parents' blood after their murders.

The number one rule: Only murder those who deserve to die. By killing off a police officer who was holding him in custody, Dexter broke it.

Meanwhile, Miami Metro's Angel had finally discovered his old blood-spatter analyst pal was actually alive and well, and most likely the mysterious Bay Harbour Butcher. 

"I was worried about it after we shot it, because I was like, 'Oh my God, I killed Dexter. I'm going to be the most hated man in America for at least a week'," the young actor said (via Esquire).

Alcott admitted to feeling the pressure when it came to the actual shooting in the climactic death scene.