Crime Solvers Central
Crime Solvers Central
302 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 (MP72330) and 3 other sources
Bianca Prieto, a 23-year-old woman, was last seen on November 28, 2019, in Ontario, California. Few details are available about the circumstances of her disappearance, and she has not been heard from since that day. Bianca is described as having brown hair and brown eyes, standing between 5'6" and 5'8" tall, and weighing around 130 pounds. She also had distinctive tattoos, although the specific designs were not publicly detailed.

Despite efforts to locate her, there has been little progress in her case, and it remains unsolved. Her disappearance has been classified as a missing person's case, and authorities continue to ask for any information that may lead to her whereabouts. Prieto's case is documented in the National Missing and Unidentified Persons System (NamUs), and it has garnered attention from several organizations focused on solving cold cases.
Last Seen: Nov 28, 2019

Possible Unidentified Matches (3)

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.

79%Possible
Jane Doe — Los Angeles, California - unidentified case UP81695
Jane Doe — Los Angeles, California
UP81695 • Found Jun 26, 2021
View case
Sex ✓Female
Age 85%Est. 20–40 vs 23 when missing
Race 60%White
Location 94%33 mi away, same state
TimingFound 19 months after last seen
Height 100%5'0"–5'6" vs 5'6"–5'8"
Weight 100%136 lb vs 130 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
78%Possible
Jane Doe — Cerritos, California - unidentified case UP85998
Jane Doe — Cerritos, California
UP85998 • Found Oct 19, 2021
View case
Sex ✓Female
Age 100%Est. 18–25 vs 23 when missing
Race 60%White
Location 95%27 mi away, same state
TimingFound 23 months after last seen
Height 100%5'2"–5'8" vs 5'6"–5'8"
Hair 100%Brown vs Brown
76%Possible
Jane Doe — Alpine, California
UP107707 • Found Jun 5, 2023
View case
Sex ✓Female
Age 100%Est. 25–40 vs 23 when missing
Race 100%Hispanic
Location 75%99 mi away, same state
TimingFound 4 years after last seen
Height 100%5'3"–5'7" vs 5'6"–5'8"

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.