SACRAMENTO (CBS13) — The body of a Sacramento State graduate missing since Tuesday has been found in Placer County.

Janet Mejia was reported missing on Tuesday when she was on the way to a doctor’s appointment in Stockton. Deputies discovered her car a day later. Investigators found she had left her family’s home in Stockton on Monday and was scheduled to work at Nordstrom’s in Roseville that afternoon.

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On Thursday night, investigators found an unidentified female body in Placer County just off the roadway around Watt Avenue and Dyer Lane. The body was later identified as Mejia.

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A preliminary autopsy says she suffered a gunshot wound.

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Sacramento County Sheriffs Department spokesman Tony Turnbull says Mejia wasn’t kidnapped, but her abandoned car was a sign she unwillingly went with someone else.

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Investigators say they don’t believe it was a random murder, and a person of interest is in custody on unrelated charges. CBS13 has confirmed the person is a roommate of Mejia, but is not the one who reported her missing.