FAIRFIELD (CBS SF) — A suspect was arrested in the fatal shooting of a 19-year-old man in Fairfield during an apparent robbery after the victim responded to an online advertisement of a vehicle for sale, police said Saturday.

Fairfield police said on Thursday at around 12:20 p.m., dispatchers received a call of a man down on the 1000 block of Tyler Street. Officers found the 19-year-old victim dead at the scene.

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Investigators determined the man had responded to a car for sale advertisement on the OfferUp app and had brought cash for the transaction when he was shot.

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On Friday, police arrested Kamaria Strange, a 24 year-old San Pablo resident for the homicide. Strange was booked into the Solano County Jail.

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The investigation was still ongoing and Fairfield police said no further details will be released at this time.