In this July 10, 2015, image taken from dashcam video provided by the Texas Department of Public Safety, Texas State Trooper Brian Encinia confronts Sandra Bland in Waller County,Texas. Texas Department of Public Safety via AP hide caption

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In this frame from the dashcam video, Texas State Trooper Brian Encinia confronts Sandra Bland after a minor traffic infraction. She was later arrested and was found hanged in her jail cell days later. Uncredited/AP hide caption

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A memorial sits outside the Waller County Jail last month in Hempstead, Texas. Activists have taken to demonstrating outside the jail, where Sandra Bland died of an apparent suicide in her cell. Pat Sullivan/AP hide caption

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At Sandra Bland Vigils, Activists Say Seeds Of Change Must Be Sown In Person
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A cell at New York's Rikers Island jail. About 1,000 people die in American jails every year, and about a third of those are suicides. Seth Wenig/AP hide caption

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The 'Shock Of Confinement': The Grim Reality Of Suicide In Jail
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A guard motions to a medic (left) who arrived with a stretcher to Waller County Jail in Hempstead, Texas, on July 13, the day Sandra Bland died at the jail. Officials said Thursday that an autopsy did not find signs that Bland's death was a homicide. Waller County Sheriff's Office/Landov hide caption

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In this July 13 frame taken from video provided by the Waller County Sheriff's Department from a motion-operated camera, emergency personnel carry a gurney near Sandra Bland's cell, at the Waller County jail in Hempstead, Texas. AP hide caption

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