MAR VISTA (CBSLA.com) — A 15-year-old girl with autism who has been missing for more than a week may be in the company of a man, police said Friday.

Kimberly Greenberg was last seen at about 8 p.m. at her home in the 11200 block of Westminster Avenue in Mar Vista on March 24.

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Kimberly, who also goes by her nicknames Kimmy and Kim and may use the alias last name “Manzo,” is possibly in need of medical attention because she take medication for autism. Police said Friday that Kimberly may be in the company of a man.

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She is described as being biracial – Hispanic and white – with long brown hair, brown eyes and a light complexion. She is 4 feet 10 inches and weighs about 110 pounds and was last seen wearing a red sweater, jeans and Ugg shoes.

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Authorities say anyone who knows of Kimberly’s whereabouts should call 911.