VICTORVILLE (CBSLA.com) — The mother of a Barstow man is accusing a deputy of murder in the shooting death of Nathaniel Pickett Jr., 29.

According to his family, Pickett was mentally ill and unarmed when he was shot and killed by a San Bernardino County sheriff’s deputy in Barstow on Nov. 19. Video of the incident shows Pickett running from the deputy. Later, the deputy can be seen beating Pickett.

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“I would like for the individual who murdered my son to be prosecuted,” said Dominic Archibald, Pickett’s mother. “As far as I know, he’s never been placed on administrative leave.”

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Archibald claims her son committed no crime.

According to a Sheriff’s Department statement, the deputy suffered broken bones after fighting with Pickett. The statement also said Pickett refused to comply with the deputy’s commands.

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Pickett’s mother and her attorneys plan to meet Thursday with the San Bernardino County District Attorney’s Office, which is investigating the shooting.