The person at the center of this case
Cristina Tomas Martin
Missing Person · Open
19 years waiting · since 2007
Missing Person: Cristina Tomas Martin
Justice for Cristina Tomas Martin — the trail went cold in 2007, but the truth hasn't.
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Key leads to think about
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witness
Lead #1Who reported to the family that Cristina was left behind in the desert? Can this witness be located and interviewed?
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location
Lead #2What specific desert location approximately 3 hours before Phoenix was mentioned? Has this area been searched?
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evidence
Lead #3Has any physical evidence or remains been recovered in the desert areas searched?
Cristina Tomas Martin, a 19-year-old Hispanic female, was last seen on June 25, 2007, crossing the U.S.-Mexico border near Altar, Arizona. According to family reports, she was allegedly left behind in the desert and may have died, though her remains have not been definitively located. The case remains open with the Pima County Medical Examiner's Office, and anyone with information about her disappearance or whereabouts is urged to contact authorities.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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timeline
Lead #4What were the exact circumstances and timeline of the border crossing attempt?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP15992. Missing person: Cristina Tomas Martin.
Last known contact: 2007-06-25 in Altar, Pima, AZ. Circumstances: Cristina was last seen alive crossing the U.S.
Mexico border. Someone told the family that she was left behind in the desert, dead, 3 hours before Phoenix.
Demographics: 19 years, Female, Hispanic / Latino. Physical description: 4 ft 10 in, 100 lbs, hair: Black, eyes: Black.
Clothing and accessories: Clothing: black jeans; Footwear: white tennis shoes. Investigating agency: Pima County Medical Examiner's Office | FSC MPR 586 | 2007-07-17.
Timeline of Events
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2007-06-25
Last known contact
Cristina was last seen alive crossing the U.S.-Mexico border in Altar, Pima County, Arizona
🕵️
2007-07-17
Case filed with NamUs
Pima County Medical Examiner's Office opened case MP15992 (FSC MPR 586)
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:June 25, 2007
Last Updated:July 17, 2026
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Phone: 5207248600
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Case Information
Incident:June 25, 2007
Last Updated:July 17, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5207248600
You can remain anonymous