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Crime Solvers Central
298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP16226) and 2 other sources
In the vast and unforgiving landscape of the Sonoran Desert, countless stories of hope and desperation unfold, many of which are lost to the harsh realities of the environment. One such story is that of Bertha de Jesus Dionisio, a 23-year-old Hispanic woman who vanished on or around May 8, 2009. Bertha was last seen near the small border town of Lukeville, Arizona, a common crossing point for those entering the United States from Mexico. At the time of her disappearance, she was wearing dark blue jeans and white tennis shoes with the word 'New York' on them. Her dark hair and brown eyes are etched in the memories of her loved ones, who have now waited for years for any news of her whereabouts. The official circumstances of her disappearance are brief and stark: she was last seen crossing the U.S.-Mexico border.

The journey Bertha undertook is one fraught with peril. The Pima County region, where Lukeville is located, is known for its extreme temperatures and rugged terrain, which tragically claims many lives. For families of the missing, the silence and lack of information can be an enduring torment. The Pima County Medical Examiner's Office took on Bertha's case, a testament to the unfortunate regularity with which individuals go missing in this border region. Her case was formally entered into the National Missing and Unidentified Persons System in July 2012, more than three years after she was last seen, highlighting the challenges and delays often faced in documenting and investigating such disappearances.

The official record of Bertha de Jesus Dionisio's case remains open, a quiet but persistent question mark in the files of the missing. She was a young woman at the start of her adult life, with a family who presumably still waits for an answer, for some form of closure to their ambiguous loss. Her physical description—standing between 4'10' and 5'4' and weighing between 110 and 150 pounds—is one of the few tangible pieces of information available to investigators and the public. The story of Bertha de Jesus Dionisio is a somber reminder of the human element behind immigration statistics and the profound and lasting impact on the families left behind, who can only wonder what became of their loved one in the vast, silent desert.

Last Seen: May 8, 2009

Links to Additional Sources (2)

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Possible Unidentified Matches (10)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

82%Moderate
Jane Doe — Sells, Arizona - unidentified case UP8702
Jane Doe — Sells, Arizona
UP8702 • Found Jul 13, 2010
View case
Sex ✓Female
Age 100%Est. 18–23 vs 23 when missing
Race 100%Hispanic
Location 88%55 mi away, same county
TimingFound 14 months after last seen
Height 100%5'3" vs 4'10"–5'4"
Hair 100%Black vs Black
81%Moderate
Jane Doe — Santa Rosa, Arizona - unidentified case UP8144
Jane Doe — Santa Rosa, Arizona
UP8144 • Found Jan 23, 2010
View case
Sex ✓Female
Age 100%Est. 20–28 vs 23
Race 100%Hispanic
Location 88%55 mi away, same county
TimingFound 9 months after last seen
Height 100%5'2" vs 4'10"–5'4"
80%Moderate
Jane Doe — Topawa, Arizona - unidentified case UP8747
Jane Doe — Topawa, Arizona
UP8747 • Found Apr 13, 2011
View case
Sex ✓Female
Age 100%Est. 20–30 vs 23 when missing
Race 100%Hispanic
Location 87%58 mi away, same county
TimingFound 23 months after last seen
Height 100%5'1" vs 4'10"–5'4"
80%Moderate
Jane Doe — Sells, Arizona - unidentified case UP10334
Jane Doe — Sells, Arizona
UP10334 • Found Sep 28, 2010
View case
Sex ✓Female
Age 100%Est. 22–30 vs 23 when missing
Race 100%Hispanic
Location 88%55 mi away, same county
TimingFound 17 months after last seen
Height 100%5'3" vs 4'10"–5'4"
Hair 60%Brown vs Black
79%Possible
Jane Doe — Arizona - unidentified case UP12743
Jane Doe — Arizona
UP12743 • Found Jun 12, 2014
View case
Sex ✓Female
Age 100%Est. 25–40 vs 23 when missing
Race 100%Hispanic
Location 84%68 mi away, same county
TimingFound 5 years after last seen
Height 100%4'10" vs 4'10"–5'4"
Hair 100%Black vs Black
78%Possible
Jane Doe — 6 miles e/o San Miguel Village, Arizona - unidentified case UP12086 View case
Sex ✓Female
Age 100%Est. 16–23 vs 23 when missing
Race 100%Hispanic
Location 85%64 mi away, same county
TimingFound 4 years after last seen
Height 100%5'3" vs 4'10"–5'4"
78%Possible
Jane Doe — Stanfield, Arizona - unidentified case UP8805
Jane Doe — Stanfield, Arizona
UP8805 • Found Dec 8, 2010
View case
Sex ✓Female
Age 100%Est. 18–30 vs 23 when missing
Race 100%Hispanic
Location 79%85 mi away, same state
TimingFound 19 months after last seen
Height 100%5'1" vs 4'10"–5'4"
78%Possible
Jane Doe — Three Points, Arizona - unidentified case UP8644
Jane Doe — Three Points, Arizona
UP8644 • Found Oct 18, 2010
View case
Sex ✓Female
Age 100%Est. 20–35 vs 23 when missing
Race 100%Hispanic
Location 78%89 mi away, same county
TimingFound 17 months after last seen
Height 100%4'10" vs 4'10"–5'4"
77%Possible
Jane Doe — Dateland, Arizona
UP84028 • Found Jul 24, 2021
View case
Sex ✓Female
Age 100%Est. 28–42 vs 23 when missing
Race 100%Hispanic
Location 82%76 mi away, same state
TimingFound 12 years after last seen
Height 100%5'2" vs 4'10"–5'4"
Weight 100%90–120 lb vs 110–150 lb
77%Possible
Jane Doe — Pisinemo, Arizona - unidentified case UP9246
Jane Doe — Pisinemo, Arizona
UP9246 • Found Aug 30, 2011
View case
Sex ✓Female
Age 85%Est. 19–39 vs 23 when missing
Race 100%Hispanic
Location 94%31 mi away, same county
TimingFound 2 years after last seen
Height 84%4'8" vs 4'10"–5'4"

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.