US prosecutors have released video footage of a sheriff’s deputy kicking a 15-year-old girl, pulling her hair and throwing her onto a cell floor.

The surveillance video was released in the assault case against Deputy Paul Schene, who is accused of using excessive force on the girl.

Schene, 31, pleaded not guilty to fourth-degree assault on Thursday.

The incident last November began after the girl was brought in for a car theft investigation, according to court documents.

The footage shows the attack beginning after the girl enters the cell at suburban SeaTac City Hall and kicks off one of her shoes toward the deputy.

‘We believe this case is beyond just police misconduct, it’s criminal misconduct,’ King County Prosecutor Daniel Satterberg said. ‘This is clearly excessive force.’

Schene was investigated previously for shooting two people – killing one – in the line of duty in 2002 and 2006.

• A d v e r t i s e m e n t

Both times his actions were found to be justified, said Ian Goodhew, prosecutor’s deputy chief of staff.

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