Crime Solvers Central
CSC
263 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Diane Pierce missing person case profile photo

Diane Pierce Missing Person Case

Last seen in Palm Springs, California on Feb 15, 2006

Victim Details

Dec 10, 2016

Oct 03, 2019

Diane

Pierce

65

45

61 inches

190 lbs

White / Caucasian

Female

Feb 15, 2006

Palm Springs

California

Riverside County

Unknown

3074

Palm Springs Police Department

Palm Springs

California

Riverside County

92262

Mario Kasal

Detective

200 South Civic Drive, California

7603238116

Local

Law Enforcement

06-0480022

Palm Springs Police Department

Brown

Brown

Brown

07/12/2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Diane Christine Pierce, a 45-year-old woman, went missing on February 15, 2006, in Palm Springs, California. Diane was last seen at the Spa Resort Casino, where she had gone with her boyfriend. After returning to separate hotel rooms around 2:30 a.m., Diane was never heard from again. The following day, her car was found abandoned in a rural area along Highway 74, near Sugarloaf Mountain, but there was no sign of Diane at the scene.

Diane suffered from both diabetes, requiring insulin, ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Diane Pierce, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month
Cancel anytime.
Already a member? Log in

Last Seen: Feb 15, 2006

Links to Additional Sources (3)

See any mistakes? Let us know!
  • Diane Christine Pierce | State of California - Department of Justice
  • Diane Christine Pierce - The Charley Project
    • MEMBER ACCESS

    Unlock 1 additional source

    View the complete collection of available reporting and reference links for this case.

    View All Case Sources — $3.97/month
    Cancel anytime.
    Already a member? Log in

    Latest News

    View All

    Forum Posts (3)

    Wow, this case just gets more complex the deeper you dig. I was thinking about how Diane's car was f... ...Read More
    12/12/2024
    Hey everyone,
    I recently bumped into the case of Diane Christine Pierce while doing some research... ...Read More
    08/27/2024
    Has anyone else looked into the routes between Spa Resort Casino and where Diane's car was found nea... ...Read More
    01/15/2023
    MEMBER ACCESS

    Join the discussion for Diane Pierce

    Read full forum posts and contribute to this case discussion.

    Unlock forum access — $3.97/month
    Already a member? Log in

    Other Missing Cases from Palm Springs, California

    Sarah Chovan missing person case in Palm Springs, California

    Sarah Chovan

    Missing: Nov 04, 2025
    In the autumn of 2025, a young woman named Sarah Delice Chovan, aged 20, found herself in a period o ...Read More
    Frances Groves missing person case in Palm Springs, California

    Frances Groves

    Missing: Jan 01, 1955
    Frances Blanche Groves, aged 39, was last seen on January 1, 1955, in Palm Springs, California. Orig ...Read More
    Jeannie Dayes missing person case in Palm Springs, California

    Jeannie Dayes

    Missing: Feb 01, 2025
    In the city of Palm Springs, California, concern grew for 62-year-old Jeannie Doris Dayes after she ...Read More
    Deborah Farley missing person case in Palm Springs, California

    Deborah Farley

    Missing: Nov 01, 2014
    Deborah Ellen Farley, 51, has been missing since she was last seen in Palm Springs, California, on N ...Read More
    Brenda Camacho missing person case in Palm Springs, California

    Brenda Camacho

    Missing: Mar 25, 2024
    Brenda Camacho, a 55-year-old Hispanic female, was reported missing from Palm Springs, California. S ...Read More
    Michelle Jean Barnett missing person case in Palm Springs, California

    Michelle Jean Barnett

    Missing: May 30, 1994
    Michelle Jean Barnett, an 18-year-old mother, has been missing since May 30, 1994. In the late sprin ...Read More