Fellow officers long suspected a veteran detective in Antioch, Calif., was leaking operational police secrets to a drug dealer. For years, the department didn't act on their concerns. Even after the detective was finally fired in 2017, his record remained secret. In episode six of On Our Watch we look at the incentives departments have to investigate dishonest cops and what the secrecy around police misconduct means for criminal defendants who are prosecuted on their testimony.

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An officer is repeatedly disciplined for not turning in his police reports on time. A mom goes to the police asking for help with her missing daughters. In the fifth episode of On Our Watch, we look at what can happen when police don't follow through on reports of victimization, and an accountability process that doesn't want to examine those failures.

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A 16-year-old Black kid walks into a gas station in Stockton, Calif. to buy gummy worms for his little sister. When the teen gets in an argument with the clerk over a damaged dollar bill, a white officer in plainclothes decides to intervene — with force. In the fourth episode of On Our Watch, we trace the ripple effects of this incident over the next 10 years in a department trying to address racism and bias. But can the chief's efforts at truth and reconciliation work when the accountability process seems to ignore the truth?

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After his son is shot and killed by a Richmond, Calif. police officer, a father looking for answers becomes a police transparency advocate. When the files about his son's death are released, they show an accountability system that seems to hang on one question: did the officer fear for their life? And in a rare interview, we hear from the officer who pulled the trigger.

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One officer in Los Angeles used car inspections to hit on women. In the San Francisco Bay Area, another woman says an officer used police resources to harass and stalk her. The California Highway Patrol quietly fired both of them for sexual harassment, but never looked into whether their misconduct was criminal. The second episode of On Our Watch examines the system of accountability for officers who abuse their power for sex and exposes where that system falls short.

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In the small Northern California town of Rio Vista, a woman named Katheryn Jenks calls 911 for help. But after the police arrive, she ends up injured and inside a jail cell, facing serious charges. That same day, California Governor Jerry Brown signs a new law, State Senate Bill 1421, that opens up long hidden records of police misconduct, including files that might change the outcome of Jenks' case.

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What happens to police officers who use excessive force, tamper with evidence or sexually harass someone? In California, internal affairs investigations were kept secret from the public — until a recent transparency law unsealed thousands of files. On Our Watch is a limited-run podcast from NPR and KQED that brings you into the rooms where officers are interrogated and witnesses are questioned to find out who the system of police accountability really serves, and who it protects. New episodes drop weekly, starting Thursday, May 20.

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