206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
⚠️ Warning: Viewer Discretion Advised ⚠️ The following section contains detailed information about serial killers, their crimes, and case details. Some content may be disturbing or graphic, including descriptions of violence, criminal behavior, and sensitive subject matter.
Description
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John Robert Williams: A Detailed Account of His Crimes

Overview

John Robert Williams is a convicted serial killer whose crimes spanned multiple states across the United States in the early 2000s. Alongside his accomplice, Rachel Cumberland, Williams targeted vulnerable individuals, often abducting them from truck stops. His criminal activities included abduction, sexual assault, and murder, leaving a trail of victims in his wake.

Confirmed Victims

  • Nikki Hill
    • Date of Disappearance: August 2004
    • Location: Mississippi
    • Details: Nikki Hill was a woman Williams and Cumberland met at a casino. She was subsequently abducted and murdered. Williams pleaded guilty to her kidnapping and murder, resulting in a life sentence for him and a 20-year sentence for Cumberland.
  • Casey Jo Pipestem
    • Date of Disappearance: January 2004
    • Location: Oklahoma City, Oklahoma
    • Details: Nineteen-year-old Casey Jo Pipestem was last seen at an Oklahoma City truck stop. Her body was later discovered in Grapevine, Texas. Investigations revealed that she had been beaten, raped, strangled, and thrown off a 37-foot bridge. Williams was charged with her murder in 2013.

Suspected Victims

Authorities believe Williams may be responsible for additional murders, though these cases remain unconfirmed:
  • Margaret Gardner
    • Age: 47
    • Cause of Death: Beating
  • Sandra Beard
    • Age: 43
    • Date of Disappearance: September 18, 2003
    • Cause of Death: Strangulation
  • Vicki Anderson
    • Age: 46
    • Date of Disappearance: October 16, 2003
    • Cause of Death: Beating
  • Sandra Richardson
    • Age: 39
    • Date of Disappearance: November 22, 2003
    • Cause of Death: Beating
  • Patsy Leonard
    • Age: 23
    • Date of Disappearance: January 1, 2004
    • Cause of Death: Strangulation
  • Buffie Rae Brawley
    • Age: 27
    • Date of Disappearance: March 24, 2004
...Read More
Victims
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Confirmed Victims: (2)
  • Nikki Hill Age: (28), Date of Death: 2004-07
  •     ...View 1 additional victims
    Suspected Victims:
  • Margaret Gardner Age: (47)
  • Sandra Beard Age: (43), Date of Death: 2003-09-18
  • Vicki Anderson Age: (46), Date of Death: 2003-10-16
  • Sandra Richardson Age: (39), Date of Death: 2003-11-22
  • Patsy Leonard Age: (23), Date of Death: 2004-01-01
  • Casey Jo Pipestem Age: (19), Date of Death: 2004-01-31
  • Buffie Rae Brawley Age: (27)
  • Killer's Details

    John Robert

    Williams

    1976

    Male

    White

    Murder

    Life imprisonment

    2 - 12

    2003 - 2004

    Mississippi, Oklahoma (suspected), Indiana (suspected), Texas (suspected)

    August 2004

    07/16/2025