OSBI investigating, protection orders filed after Oklahoma State Rep. says threatening messages sent

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OSBI investigating officer-involved shooting

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OSBI Investigating Homicide Involving Teenagers In McCurtain County

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OSBI Investigating Guymon Police Shooting

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OSBI Agents Investigate After Inmate Found Dead In The Stephens County Jail

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OSBI Investigating Deadly Shooting Involving Police In McAlester

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OSBI Investigating After Man Dies In Custody With Enid Police

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OSBI Investigating After 4 Found Dead In Northern Kingfisher County

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OSBI Investigating Overnight Shooting

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OSBI investigating Pawhuska Police Department

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OSBI Investigating Deadly Shooting In Le Flore County

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OSBI Investigating 'Suspicious Death’ At Lake Thunderbird

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OSBI investigating after intruder shot and killed during burglary at Guthrie home

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OSBI Investigating 2 Deaths in Grove

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OSBI Investigating Officer Involved Shooting

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Video: Police, OSBI investigating after two people were found dead in Grove

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OSBI investigating officer-involved shooting

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OSBI Investigating Swadley's BBQ Contract With Oklahoma Tourism Department

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OSBI investigating suspicious death after woman's remains found at Lake Thunderbird

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OSBI investigating deadly deputy-involved shooting

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