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Dash cam video showing Sandra Bland’s arrest released

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HEMPSTEAD, Texas — The Texas Department of Public Safety has released 52-minute dash cam video from the traffic stop where Sandra Bland was arrested.

Bland, 28, was pulled over for not using her turn signal. She was then arrested for allegedly becoming  "argumentative and uncooperative," according to the DPS.

In the dash cam video, Trooper Brian Encinia is seen telling Bland to get out of the car.

When Bland refused, the officer told her she could either get out of the car or he would "remove her." He's then seen reaching into the car to pull her out.

Warning: This video contains profanity and may be disturbing to some. Viewer discretion is advised.

"I'm going to yank you out of here," Encinia says.

"Don't touch me, I'm not under arrest you don't have the right to touch me," Bland responds before getting out of the car.

We now also have audio, to complement the blurry video that initially surfaced, chronicling the moment when Bland screamed out that Trooper Encinia had allegedly slammed her head against the ground.

But the patrol car’s dash camera failed to record it.

The real mystery is what happened to Sandra Bland three days later, while she was in her cell.

This security video shows the moment when one of the guards realizes something is wrong.

Investigators say Bland was found leaning against her privacy partition, in an apparent suicide by hanging using a plastic garbage bag.

“DPS has been working closely with the family of Ms. Bland during this investigation, and the department extends our sincere condolences for their tragic loss,” said DPS Director Steven McCraw. “It is important that her family has confidence in the efficacy of this investigation, which is why the Waller County Sheriff’s Office and District Attorney originally requested investigative assistance from the Texas Rangers; and it’s also why DPS requested the FBI assist in this investigation.”

Prosecutors say it's too early to draw conclusions about her death. But her death is being treated as a murder investigation.

Her family disputes that she hanged herself in the jail cell. They have ordered an independent autopsy.

Encinia, who conducted the traffic stop, is currently on administrative duties.