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Bianca Prieto Missing Person Case

Last seen in Rancho Cucamonga, California on Aug 21, 2022

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Victim Details

Jun 30, 2023

Feb 21, 2024

Bianca

Prieto

30

26

65 inches

135 lbs

Hispanic / Latino

Female

Aug 21, 2022

Rancho Cucamonga

California

San Bernardino County

91739

Yes

126195

Montclair Police Department

Montclair

California

San Bernardino County

91763

Salvador Herrera

Detective

4870 Arrow Highway, California

9094483600

Local

Law Enforcement

https://www.cityofmontclair.org/city-government/police-department

22-3155

Montclair Police Department

2388

Brown

Brown

Brown

Oct 5, 2026


Area Last Seen:

Case Description

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Summary based on the NamUs case record (MP105079) and 2 other sources
Bianca Marisol Prieto, 26, was last seen on August 21, 2022, in Rancho Cucamonga, California. Her disappearance has left few clues, and limited details have emerged about the circumstances surrounding her case. Authorities have classified her as a missing person, and efforts to locate her have so far been unsuccessful. Investigators continue to seek information from the public, hoping to uncover any leads that could shed light on her whereabouts.

The California Department of Justice and other local agencies remain involved in her case, encouraging anyone with knowledge about her disappearance to come forward. Bianca's family and law enforcement continue to search for answers, with her case remaining open and active.
Last Seen: Aug 21, 2022

Links to Additional Sources (2)

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  • ‼MISSING‼ Bianca Marisol Prieto... - Attempt to Locate | Facebook
  • Missing Person / NamUs #MP72330

    • Possible Unidentified Matches (1)

    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.

    78%Possible
    Jane Doe — Alpine, California
    UP107707 • Found Jun 5, 2023
    View case
    Sex ✓Female
    Age 100%Est. 25–40 vs 26
    Race 100%Hispanic
    Location 75%101 mi away, same state
    TimingFound 9 months after last seen
    Height 100%5'3"–5'7" vs 5'5"

    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.

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    Forum Posts (1)

    Bianca Marisol Prieto, 26, was last seen on August 21, 2022, in Rancho Cucamonga, California. Her... ...Read More
    08/20/2024

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