The rape suspect in one of the cases is about as disgusting as one can be. He actually purchases semen from a prostitute to spread it on his victims in order to confuse the science. A poor homeless women is his victim and Greg decides to go after him with both barrels (unlike his usual methods). There is also the case of a car thief who the detectives feel deserves one more chance. Andy approaches another bump in the road regarding his cancer.
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