Dexter season 3

Dexter found a new killer to hunt for - Fred "Freebo" Bowman. Bowman is also known as a drug dealer and when Dexter makes an attempt to free this world from Freebo, he kills the wrong person instead in Freebo’s apartment. Later it appears that this killed man was a brother of local assistant district attorney Miguel Prado. Miguel also has a long story with Lt. LaGuerta, they are old friends. Meanwhile Freebo continues to kill - in a park one girl is found strangled, a piece of her skin was cut off. Dexter decides to keep in secret that this killed girl is Freebo’s new victim.
Some unexpected news appear from Rita - she is pregnant. After hearing from Rita that she will give birth and bring up their child regardless of Dexter’s opinion, Dexter proposes her and eventually she says yes. Another plot line of the season pays much attention to the growing friendship between show protagonist and assistant district attorney, who's brother had been killed.