Crime Solvers Central
CSC
268 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Mark Dreibelbis death by force case profile photo

Mark Dreibelbis

Case from Santa Cruz, CA dated Feb 10, 1973

Victim Details

Mark Dreibelbis

Male

White / Caucasian

Santa Cruz

CA

1973-02-10

15

Mark

Dreibelbis

07/08/2026

Case Description

Any updates on this case? Let us know!
Mark John Dreibelbis, a 15-year-old male, was tragically murdered on February 10, 1973, in Santa Cruz County, California. He was one of four teenage boys who fell victim to serial killer Herbert Mullin. The group, which included Robert Michael Spector David Allan Oliker and Brian Scott Card had been camping in Henry Cowell Redwoods State Park when they encountered Mullin. During their brief interaction, Mullin falsely claimed to be a park ranger and ordered them to leave, citing environmen ...
MEMBER ACCESS

Continue reading the complete case summary

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

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

Links to Additional Sources (3)

See any mistakes? Let us know!
  • Serial killer who said he killed to ward off earthquakes dies at 75
  • Map: Herbert Mullin's 13 victims in Santa Cruz County and Los Gatos
    • 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 (2)

    I've been reading up on the case of Mark John Dreibelbis and the other boys, and something that's re... ...Read More
    01/08/2025
    Just read about the tragic case of Mark John Dreibelbis and his friends, and it's so devastating to ... ...Read More
    08/18/2023
    MEMBER ACCESS

    Join the discussion for Mark Dreibelbis

    Read full forum posts and contribute to this case discussion.

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

    Other Cases from Santa Cruz, California

    Lawrence Wright death by force case in Santa Cruz, CA

    Lawrence Wright

    Death: Oct 13, 1972
    On October 13, 1972, Lawrence 'Whitey' White, a 55-year-old white male transient originally from Okl k ...Read More
    Jim Ralph Gianera death by force case in Santa Cruz, CA

    Jim Ralph Gianera

    Death: Jan 25, 1973
    Jim Ralph Gianera, a 25-year-old Caucasian male, was tragically murdered on January 25, 1973, in San a ...Read More
    Pauly Silva death by force case in Santa Cruz , CA

    Pauly Silva

    Death: Feb 09, 2013
    Pauly Silva, a 32-year-old male, was fatally shot in Santa Cruz, California, on February 9, 2013. Th T ...Read More
    David Allen Oliker death by force case in Santa Cruz, CA

    David Allen Oliker

    Death: Feb 10, 1973
    David Allan Oliker, an 18-year-old male, tragically lost his life on February 10, 1973, in Santa Cru r ...Read More
    David Hughes death by force case in Santa Cruz, CA

    David Hughes

    Death: Jan 25, 1973
    David Michael Hughes, a 9-year-old boy, tragically lost his life on January 25, 1973, in Santa Cruz, z ...Read More
    Daemon Francis death by force case in Santa Cruz, CA

    Daemon Francis

    Death: Jan 25, 1973
    Daemon S. Francis, a 4-year-old boy, was tragically murdered on January 25, 1973, in Santa Cruz Coun u ...Read More
    Fred Perez death by force case in Santa Cruz, CA

    Fred Perez

    Death: Feb 13, 1973
    Fred Perez, a 72-year-old man from Santa Cruz, California, was tragically shot and killed on the mor o ...Read More