Cristina Tomas Martin -- ATTEMPT TO MATCH to JANE DOE

Resumen: Este artículo examina la posible coincidencia entre Cristina Tomas Martin (NamUs #MP15992), desaparecida el 25 de junio de 2007 cerca de Altar, Arizona, y una Jane Doe (NamUs #UP6413) encontrada en 2009 en Arizona, con muerte estimada entre 2004-2007. Shane Lambert sugiere un 50-70% de probabilidad de que sean la misma persona, basándose en similitudes visuales, etnia, edad y ubicación, aunque hay discrepancias en altura. Se necesita ADN para confirmarlo. Lambert, involucrado desde 2016, pide compartir el caso en Guatemala para encontrar familiares.
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Details from NamUs**: "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."

Missing Person: Cristina Tomas Martin
Last-contact date: June 25th, 2007
The area where the MP was last seen: Altar, Arizona

Link to government source: NamUs #MP15992

Cristina Tomaz Martin

VITAL DETAILS

Ethnicity: Hispanic/Latino
Sex: Female
Age at time of disappearance: 19 years old
Birthdate: June 26th, 1987 to June 25th, 1988
Hair details: Black
Eye details: Black or dark brown
Scars: None known
Height/weight: 4-foot-10 to 5-foot and 100 to 130 pounds
BMI*: The missing person was overweight by BMI at the time of the last contact.
  • Please, Google BMI if you aren't familiar with the phrase.
  • BMI can be important even when there are photographs to look at. It is an indicator that helps get an idea of what a person's body might have looked like.
Attempt to Match to Jane Doe: In my opinion, Cristina Tomas Martin might be Jane Doe #UP6413 at NamUs. This is worth attempting to rule out.

AI's Take on the Chances of This Being a Match: Reasonably High


The likelihood that Cristina Tomas Martin (NamUs #MP15992) and Jane Doe #UP6413 are the same person is estimated at 50–70%, factoring in a strong visual similarity noted between Cristina’s photo and the Jane Doe’s compositesketch (Grok, 2025). This probability also considers overlapping timelines (last seen 2007 vs. estimated death 2004–2007), matching Hispanic/Latino ethnicity, female sex, close ages (19 vs. 16–21), and nearby locations (Altar, AZ, vs. San Miguel Village, AZ).

However, a height discrepancy (4'10"–5'0" vs. 5'5") and lack of matching identifiers lower certainty. Forensic evidence like DNA is needed for confirmation (Grok, 2025).

Comparison Chart: Cristina Tomas Martin vs. Jane Doe #UP6413

Attribute Cristina Tomas Martin (NamUs #MP15992) Jane Doe (NamUs #UP6413)
Status Missing Person Unidentified Remains
Last Seen/Found Date June 25, 2007 October 15, 2009 (Date Found)
Location Last seen crossing U.S.-Mexico border near Altar, Arizona (reported left in desert, 3 hours before Phoenix) Found in desert near San Miguel Village, Pima County, Arizona (Tohono O'odham Reservation)
Estimated Time of Death N/A (Missing since 2007) 2004–2007
Age 19 years old at disappearance (Born: June 26, 1987 to June 25, 1988) Estimated 16–21 years old at death
Ethnicity Hispanic/Latino Hispanic/Latino
Sex Female Female
Height 4'10" to 5'0" 5'5" (Estimated)
Weight 100 to 130 lbs (Overweight by BMI) Cannot Estimate (Skeletal remains)
Hair Black Unknown (Skeletal remains)
Eyes Black or dark brown Unknown (Skeletal remains)
Scars/Marks None known No known information
Clothing/Accessories Not specified Jacket ("Tallino" brand, size M), Shoe ("76" "Z" or "Zeta" brand)
Visual Likeness Photographs available (see blog images) Composite sketch available (noted similarity by author)
NamUs Link NamUs #MP15992 NamUs #UP6413

Note: Jane Doe details updated from NamUs #UP6413 as of March 25, 2025. Exact forensic data (e.g., DNA, dentals) not included here as it requires official comparison.

Cristina Martin, a missing person, was last heard from on June 25th, 2007 when she was 19 years old. This is a case that I have some familiarity with, as I submitted an ATTEMPT TO MATCH in July of 2016. I thought then, and I think now that Cristina Martin is the Jane Doe at NamUs #UP6413.

What stands out with this attempt to match is the composite sketch of the Jane Doe and Cristina's known likeness as per the photographs of her. They really do look like one and the same person in a lot of ways.
Also, at the time of her disappearance, Cristina was 19 years old.

Furthermore, the timeline makes some sense. The Jane Doe was found in 2009, but she was thought to have died in the range of 2004 to 2007. The higher end of that range is close to matching up with when Cristina was last seen.

I had some email exchanges with the authorities on these two cases back in 2016. I think I had published something somewhere or other but I can't find it now, so perhaps I deleted it. I still have the emails I sent, however.

Writing in 2021, I'm actually a little surprised that the cases are still active. As per the email exchanges I had, they were looking for a next of kin for Cristina. The lead seemed to be in Guatemala, however, I got the impression that finding the NOK was difficult. My advice to people who are interested in this case is to share this link with hashtags that target Guatemala or major cities in that country.

If these kinds of mysteries intrigue you, then you can find more like them at Websleuths.com or by clicking around this site. The hashtag I use when I try to match up a Jane Doe or a John Doe to a missing person is called "Attempt to Match." You can find it in the hashtags below.

Author: Shane Lambert
All articles are subject to editing after the original posting.
Shane Lambert is not a Private Investigator, however, he is currently studying to be one as of February 2021.
Website hashtag: #MPCSL

*For BMI values, I use the UPPER or HIGHER ranges that are given for height and weight.
**Text might be paraphrased. If taken verbatim, then grammar or spelling errors are not necessarily corrected from original sources.

Summaries in Guatemalan Indigenous Languages

I have reason to believe that the missing person may have been from Guatemala. Accordingly, I have included translations in the main languages for that country in hopes the SEO improves that country and helps her family find this webpage. - Shane Lambert

K’iche’ (traducido con software de traducción): Ri artículo kutz’ib’aj jun posible k’amal b’i Cristina Tomas Martin (NamUs #MP15992), xk’is k’ulwachik ri 25 ri junio 2007 chuchi Altar, Arizona, chuqa jun Jane Doe (NamUs #UP6413) xilitaj pa 2009 pa Arizona, k’o estimado k’isik ri 2004-2007. Shane Lambert ntajin nrajo’ 50-70% chi junam ri’, rik’in k’ulwachij, etnia, q’ij chuqa k’olib’al, pero k’o jun k’axk’olil pa nimab’ey. K’atzinel ADN pa k’isb’al. Lambert, k’ulwachin pa 2016, ntajin nrajo’ chi xk’ut pa Guatemala ri caso pa rilb’al ach’alal.

Q’eqchi’ (traducido con software de traducción): Li artículo tixut li posible q’anej b’aan Cristina Tomas Martin (NamUs #MP15992), xk’isi sa’ li 25 re junio 2007 chi Altar, Arizona, y jun Jane Doe (NamUs #UP6413) xilitaj sa’ 2009 sa’ Arizona, kwe xk’utub’ankil k’isi sa’ 2004-2007. Shane Lambert tixk’ut chi 50-70% chi junam li, rik’in q’anejil, etnia, q’ij y k’olib’al, po k’o jun k’ax sa’ nimil. K’atzinel ADN b’aan k’isb’al. Lambert, kwe xq’ax sa’ 2016, tixra chi xk’ut sa’ Guatemala li caso b’aan rilb’al ach’alal.

Kaqchikel (traducido con software de traducción): Ri artículo nutz’ib’aj jun posible junam ri Cristina Tomas Martin (NamUs #MP15992), xk’is ri 25 ri junio 2007 chuchi Altar, Arizona, chuqa jun Jane Doe (NamUs #UP6413) xilitaj pa 2009 pa Arizona, k’o estimado k’isik ri 2004-2007. Shane Lambert ntajin nrajo’ 50-70% chi junam ri’, rik’in k’ulwachij, etnia, q’ij chuqa k’olib’al, po k’o jun k’axk’olil pa nimab’ey. K’atzinel ADN chi k’isb’al. Lambert, k’ulwachin pa 2016, ntajin nrajo’ chi xk’ut pa Guatemala ri caso chi rilb’al ach’alal.

Mam (traducido con software de traducción): Ti artículo ntze’n jun posible q’anel b’ Cristina Tomas Martin (NamUs #MP15992), xk’isi ti 25 ti junio 2007 chi Altar, Arizona, chuqa jun Jane Doe (NamUs #UP6413) xilitaj ti 2009 ti Arizona, kwe estimado k’isi ti 2004-2007. Shane Lambert ntze’n chi 50-70% chi junam ti’, rik’in q’anel, etnia, q’ij chuqa k’olib’al, po kwe jun k’ax ti nimil. K’atzinel ADN b’aan k’isb’al. Lambert, kwe xq’ax ti 2016, ntze’n chi xk’ut ti Guatemala ti caso b’aan rilb’al ach’alal.

Note: Translations for K’iche’, Q’eqchi’, Kaqchikel, and Mam rely on software and may not fully capture linguistic nuances or accuracy due to limited resources for these Mayan languages.


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