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Description
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Rodney Lynn Halbower: The San Mateo Slasher

Background

Rodney Lynn Halbower, born on June 27, 1948, in Wisconsin, is an American serial killer known for his involvement in the Gypsy Hill killings. He is the prime suspect in a series of murders of young women in San Mateo County, California, and Reno, Nevada, during the early months of 1976. Halbower's criminal activities span several decades, and he has been convicted of multiple murders.

Crimes

Halbower's criminal career began in his youth, with a series of arrests for theft and burglary. However, his most notorious crimes are the Gypsy Hill killings, which took place between January and April 1976. These murders involved the brutal stabbing deaths of young women in the San Mateo area.

Victims

  • Veronica "Ronnie" Cascio: 18-year-old found stabbed 30 times in a creek on the grounds of the Sharp Park Golf Course in Pacifica on January 8, 1976.
  • Tatiana Marie "Tanya" Blackwell: 14-year-old reported missing after leaving her home in Pacifica on January 24, 1976. Her body was discovered off Sharp Park Road on June 6, 1976, with multiple stab wounds.
  • Paula Louise Baxter: 17-year-old went missing on February 4, 1976, after a play rehearsal at Capuchino High School. Her nude body was found on February 6, 1976, in Millbrae, behind the Church of Jesus Christ of Latter-day Saints. She had been stabbed four times, sexually assaulted, and hit on the head with a piece of concrete.
  • Denise Lampe: 19-year-old found dead in the parking lot of the Serramonte Center in Broadmoor on April 1, 1976. She had been stabbed 20 times.
  • Carol Lee Booth: 26-year-old reported missing by her husband on March 15, 1976. Her body was discovered in a shallow grave near Colma Creek on Grand Avenue in South San Francisco on May 6, 1976.
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Victims
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Confirmed Victims: (5)
  • Veronica Ronnie Cascio Age: (18)
  •     ...View 4 additional victims
    Suspected Victims:
  • Michelle Mitchell Age: (19), Date of Death: 1976-02-24
  • Idell M. Friedman Age: (21), Date of Death: 1976-03-17
  • Links to Additional Sources (9)
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    Killer's Details

    Rodney Lynn

    Halbower

    June 27, 1948 (age 76) Wisconsin, United States

    Male

    White

    The San Mateo Slasher

    Murder

    Life imprisonment

    5+

    January - April 1976

    California, Nevada (possibly)

    March 2014

    07/03/2025