The lapses in credible police protocol are spoiling the rest of the episode. All the "favors" granted to the ex-cop and the illegal access to multiple crime scenes and the bungled chains of evidence custody are essential to moving the plot along. Without these unethical situations, the house of cards tumbles. There is an underlying interesting mystery of repeated "identical" murders, but the on-again off-again good old boy attitude is completely distracting.
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