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CHARLOTTE, N.C. -- A Charlotte man accused of murdering his ex-girlfriend is awaiting extradition to Maryland.

Charlotte-Mecklenburg Police say they arrested Ryan Matthias on Saturday and charged him with the murder of Deborah Castellano.

She was found dead in her car in Howard County, Maryland on May 4.

Police say Matthias rented a car, drove to Maryland, and shot Castellano to death.

Detectives working the case say he has a history of stalking and harassment.

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