Snoops - Season 1 Episode 11 Blood Lines

Caroline is very sick from leukemia and Glenn has to find a matching donator. After she tracks down her birth mother's rapist, she has to convince him to donate his medulla. He demands a deal. He will only donate his medulla if the charges of rape against him are dropped. Dana is investigating Sam, a mentally disable man that works in the police office. He has been hiding drugs for money, thinking that he is helping people. After Dana tells him the truth, he kills the drug dealers. He runs into Ms. Jennings rapist in the hospital and threats to kill him. Dana tries to make him stop, but he shoots her and she dies.