Search on for second suspect in Tucson homicide

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TUCSON, Ariz. -- Police are still looking for a second person possibly involved in a homicide on Saturday night.

Carlos Sandoval, 17, was shot at a New Year's Eve house party in the Forty-niner Country Club area.

Keanu Castaneda, 19, is in Pima County jail charged in the shooting.

Authorities suggest this may have been a drug related incident.