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? What are the details of this account?
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location
Lead #2What specific desert location three hours before Phoenix was referenced? Has this area been searched?
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evidence
Lead #3Has any physical evidence or remains been recovered in the desert region between Altar and Phoenix?
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 information received by her family, she was reportedly left behind in the desert and may have died approximately three hours before Phoenix. Her case remains open with the Pima County Medical Examiner's Office, and anyone with information about her whereabouts or circumstances is urged to come forward.
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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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clue
Lead #4What were the circumstances of the border crossing and who was with Cristina at the time?
Have information about any of these leads?
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 seen crossing border
Cristina was last seen alive crossing the U.S.-Mexico border near Altar, Arizona
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2007-07-17
Case filed with NamUs
Pima County Medical Examiner's Office opened case MP15992 and FSC MPR 586
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:June 25, 2007
Last Updated:September 26, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 5207248600
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Case Information
Incident:June 25, 2007
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5207248600
You can remain anonymous