A Baltimore woman has sued police over her arrest earlier this year while attempting to record video of officers arresting another man.

Kianga Mwamba said she took out her phone after spotting police taking 27-year-old Cordell Bruce into custody after she left a family gathering after midnight in March, reported The Baltimore Sun.

Mwamba said she saw officers kick Bruce before she turned on the cell phone video recorder, but police said he struck an officer in the face repeatedly outside an after-hours club.

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Police told the 36-year-old Mwamba to keep driving after a stoplight turned green, but she said she would pull over and park so she could keep recording.

Officers order her out of the street, but Mwamba said she could not get out of the road because they were blocking her.

“How can I pull my car over right here when the police is right here?” Mwamba says.

Suddenly, about 1:23 into the video, police begin shouting at her and banging on her car.

Police said Mwamba struck an officer in the legs, but she denies trying to hit the female officer.

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The video shows police rush toward the vehicle and pull Mwamba out, and the distinctive clicking sound of a Taser can be heard.

“You’re a dumb b*tch, do you know that?” a male officer says as Mwamba is handcuffed. “You just tried to run over an officer. That’s exactly what you (did).”

Mwamba said officers apparently tried to delete the video, which contradicts the orderly process described in the police report, from her phone afterward – but the video was backed up on the cloud.

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Prosecutors dropped the charges against Mwamba in September, saying there was not enough evidence to convict her.

She filed a $7 million lawsuit against several Baltimore police officers involved in the arrest and the alleged attempt to destroy evidence.

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The police department issued a statement this week after Mwamba’s video was posted online, saying one officer’s behavior and language were “offensive and unacceptable.”

“The video does not capture enough information to draw definitive conclusions about what transpired before, during and after the arrest,” the statement said. “What is clear is that the language used is unacceptable and will not be tolerated.”

The department has known about the video since April, police said, and they promised an “in-depth investigation” into the incident.

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Watch this video report posted online by WJZ-TV: