Gary Allen Robbins

Serial Killer

Gary Allen Robbins

Background

Gary Allen Robbins (born 1935 in Beaver County, Pennsylvania) was a suspected multi‑state serial killer active during the 1980s. He posed as a door‑to‑door insurance salesman to gain access to women living in homes advertised for sale . His criminal activity spanned at least four states—Pennsylvania, Ohio, Michigan, and Maryland—between approximately 1981 and 1988 . Robbins died by suicide following a shoot‑out with Pennsylvania authorities on April 14, 1988 .

Modus Operandi

Robbins typically introduced himself as a traveling salesman to gain trust and entry. Once inside, his victims were often bound and gagged with a scarf, assaulted, and in most cases shot. Some showed signs of torture, indicating sadistic motivations .

Confirmed Victims

• Christine Campbell — abducted and murdered in Jefferson County, Ohio, in 1987; investigators linked Robbins to her death .
• Unidentified Butler County Victim — abducted and sexually assaulted in Butler County, Pennsylvania; her identity remains undisclosed .
• Mary Ann Marker — shot in the face on April 14, 1988, in Brothersvalley (Somerset County), Pennsylvania; she survived and her call for help triggered Robbins’s apprehension .
• At least one other woman suspected in Michigan or Maryland—details remain vague but believed killed under similar circumstances .

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Confirmed Victims: (0)

How a serial killers last victims is still searching for peace 30 years ...

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