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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 (MP8820) and 6 other sources
On a spring day in 1997, a 24-year-old woman named Sandra Cifuentes vanished from the grounds of the Marlboro Psychiatric Hospital in Marlboro, New Jersey. She was last seen on May 11th of that year, and since that day, her whereabouts have remained a troubling mystery. Sandra, who may also use the last name Cifuentes Arboleda, is described as a Hispanic female with black hair and brown eyes, standing at 5'1' and weighing approximately 170 pounds. When she was last seen, she was wearing blue jeans and a tan and blue jacket. Sandra has a few distinguishing marks that could aid in her identification; she has two small scars on her upper right arm and a more significant scar on one of her thighs, the result of an injury in 1991 that required thirty stitches to close.

The circumstances surrounding Sandra's disappearance are complicated by the state of the facility from which she went missing. At the time, the Marlboro Psychiatric Hospital was in the process of closing down, a chaotic period that involved the transfer of many patients to other facilities or their release into group homes. It is known that Sandra suffered from a mental illness, which made her a particularly vulnerable individual during this tumultuous transition. The disorganization of the hospital's closure has led to speculation that her disappearance might be connected to the hectic environment. Theories range from the possibility that she simply walked away to more sinister, though unproven, scenarios. Despite the passage of time, very few details about the specifics of her disappearance have ever come to light, leaving her family with unanswered questions.

The investigation into Sandra Cifuentes's disappearance is being handled by the New Jersey State Human Services Police. Her case is listed in national missing persons databases, and her family has provided DNA samples to aid in the search. Over the years, despite efforts by law enforcement, no significant leads have been developed. The lack of progress has left her case unsolved, a cold case that serves as a painful reminder of a young woman who seemingly vanished without a trace. The overview of this case is one of profound uncertainty, centered on the disappearance of a vulnerable individual from a state institution that was in a period of significant upheaval. The chaos of the hospital's closure, combined with Sandra's personal challenges, created a situation where she could disappear with alarmingly few witnesses or immediate actions taken, a deeply concerning set of circumstances that continues to trouble those familiar with her story.

Last Seen: May 11, 1997

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.

85%Strong
Jane Doe — Brooklyn, New York - unidentified case UP6805
Jane Doe — Brooklyn, New York
UP6805 • Found May 10, 1997
View case
Sex ✓Female
Age 100%Est. 16–25 vs 24
Race 100%White
Location 95%29 mi away
TimingFound same day as last seen
Height 100%5'2" vs 5'1"
Weight 49%115 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
83%Moderate
Jane Doe — New York, New York - unidentified case UP6326
Jane Doe — New York, New York
UP6326 • Found Nov 9, 1998
View case
Sex ✓Female
Age 100%Est. 23–33 vs 24 when missing
Race 100%White
Location 93%34 mi away
TimingFound 18 months after last seen
Height 100%5'0" vs 5'1"
Weight 33%105 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
82%Moderate
Jane Doe — New York, New York - unidentified case UP6124
Jane Doe — New York, New York
UP6124 • Found May 8, 1999
View case
Sex ✓Female
Age 100%Est. 25–35 vs 24 when missing
Race 100%White
Location 95%29 mi away
TimingFound 24 months after last seen
Height 84%5'3" vs 5'1"
Weight 66%125 lb vs 170 lb
Hair 100%Brown vs Brown
81%Moderate
Jane Doe — Hoboken, New Jersey - unidentified case UP1454
Jane Doe — Hoboken, New Jersey
UP1454 • Found Feb 9, 2005
View case
Sex ✓Female
Age 100%Est. 24–34 vs 24 when missing
Race 100%White
Location 94%31 mi away, same state
TimingFound 8 years after last seen
Height 68%5'4" vs 5'1"
Weight 100%166 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
79%Possible
Jane Doe — Queens, New York - unidentified case UP2801
Jane Doe — Queens, New York
UP2801 • Found Jul 25, 2004
View case
Sex ✓Female
Age 85%Est. 20–40 vs 24 when missing
Race 100%White
Location 93%37 mi away
TimingFound 7 years after last seen
Height 84%5'3" vs 5'1"
Weight 63%123 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
79%Possible
Jane Doe — Brooklyn, New York - unidentified case UP6154
Jane Doe — Brooklyn, New York
UP6154 • Found Jan 4, 1998
View case
Sex ✓Female
Age 100%Est. 20–35 vs 24
Race 60%Hispanic
Location 95%29 mi away
TimingFound 8 months after last seen
Height 68%5'4" vs 5'1"
Weight 100%180 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
78%Possible
Jane Doe — Brielle, New Jersey - unidentified case UP2274
Jane Doe — Brielle, New Jersey
UP2274 • Found Jun 15, 2008
View case
Sex ✓Female
Age 100%Est. 18–30 vs 24 when missing
Race 100%White
Location 97%19 mi away, same county
TimingFound 11 years after last seen
Height 68%5'4" vs 5'1"
Weight 63%123 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 60%Hazel vs Brown
78%Possible
Jane Doe — Philadelphia, Pennsylvania - unidentified case UP2721
Jane Doe — Philadelphia, Pennsylvania
UP2721 • Found Jan 12, 2000
View case
Sex ✓Female
Age 69%Est. 30–45 vs 24 when missing
Race 100%White
Location 88%56 mi away
TimingFound 3 years after last seen
Height 84%5'3" vs 5'1"
Weight 100%160 lb vs 170 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
78%Possible
Jane Doe — Queens, New York - unidentified case UP6155
Jane Doe — Queens, New York
UP6155 • Found Jan 12, 1998
View case
Sex ✓Female
Age 96%Est. 25–35 vs 24
Location 93%37 mi away
TimingFound 8 months after last seen
Height 100%5'1" vs 5'1"
Weight 88%143 lb vs 170 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
77%Possible
Jane Doe — New York, New York - unidentified case UP14585
Jane Doe — New York, New York
UP14585 • Found Sep 30, 2014
View case
Sex ✓Female
Age 100%Est. 25–35 vs 24 when missing
Race 100%White
Location 94%33 mi away
TimingFound 17 years after last seen
Height 84%5'3" vs 5'1"
Weight 53%117 lb vs 170 lb
Hair 100%Brown vs Brown

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.