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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Robert Wirth: Milwaukee’s Elderly Home Invader & Murderer

Background

Robert Wirth, born in 1960, is a convicted American serial killer responsible for a series of brutal robberies and murders in Milwaukee, Wisconsin. Between 1987 and 1988, he targeted elderly residents in their own homes, assaulting, robbing, and killing them. His modus operandi involved breaking into homes, committing burglary, and inflicting violent injuries—particularly to the neck—using stabbing, beatings, and asphyxiation .

Investigation & Conviction

Initially, Milwaukee police had no leads. The breakthrough came when a distinctive toy donkey, found at one crime scene and identified by a victim’s family, linked the murders together. Wirth was arrested in mid‑1988 after being caught robbing a taxi driver—during that arrest police discovered a gun stolen from a house matching one of the murder scenes. DNA tests later tied Wirth to the blood on the toy donkey . In 1991, Wirth was convicted and sentenced to four consecutive life terms plus 20 years .

Victims

  • Victim A – Elderly woman murdered in her Milwaukee home, early 1987. Entry and method consistent with later crimes.
  • Victim B – Elderly female murdered in late 1987 in Milwaukee residence.
  • Victim C – Another elderly woman killed in her home, late 1987; signs of neck trauma and asphyxiation.
  • Victim D – Elderly woman found murdered in early 1988, Milwaukee; beaten and stabbed.
  • Victim E – Elderly female victim in mid‑1988, similar violent burglary‑related homicide.
  • Victim F – Elderly woman discovered deceased in late 1988 following same pattern.
  • Possible additional victims bring total to at least six to eight .
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Victims
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Confirmed Victims: (0)
Links to Additional Sources (2)
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Killer's Details

Robert

Wirth

1960 (age 64–65) United States

Male

White

Life imprisonment (x4) + 20 years in prison

4 - 8

1987 - 1988

Wisconsin

Oshkosh Correctional Institution

07/16/2025