Georgia Antifreeze Killer Lynn Turner Poisoned Partners to Exploit Insurance Payouts and Pension Benefits

Explore the chilling case of Lynn Turner, who poisoned her husband and partner with antifreeze to claim insurance benefits before her 2010 prison death.

By: AXL Media

Published: Apr 11, 2026, 9:45 AM EDT

Source: Information for this report was sourced from People

The Deceptive Domestic Quietude Preceding a Sudden Law Enforcement Tragedy

The investigation into Lynn Turner began as a whisper of suspicion among the colleagues of her first husband, Glenn Turner, a 31 year old Cobb County police officer. Following a deteriorating marriage marked by Glenn’s heavy overtime and Lynn’s frequent weekend absences, the officer fell ill with flu-like symptoms in March 1995. Despite a brief hospitalization for intravenous treatment, Glenn was found dead in his home just one day after being discharged. At the time, medical examiners concluded that an irregular heartbeat was the primary cause of death, a finding that Mike Archer, a fellow officer, found deeply questionable given Glenn’s otherwise pristine health profile.

A Second Fatality Reveals a Pattern of Lethal Domestic Interference

Suspicion transitioned into a formal inquiry only after the death of Lynn Turner’s subsequent partner, Randy Thompson, a former police officer and firefighter. After Glenn's passing, Lynn had quickly transitioned into a life with Thompson, with whom she shared two children. However, the relationship was reportedly volatile, and by January 2001, Thompson exhibited the same sudden gastrointestinal distress that had preceded Glenn’s death years earlier. When Thompson was found dead on January 22, 2001, the striking similarity between the two cases forced the Georgia Bureau of Investigation to consider a more sinister link between the two men.

Scientific Oversight and the Specialized Toxicity of Ethylene Glycol

The initial failure to identify foul play stemmed from the specific chemical properties of the toxin utilized in the crimes. Both victims had ingested ethylene glycol, the primary ingredient in automotive antifreeze, which is notoriously absent from standard drug toxicology screenings. Because the substance requires specialized testing for detection, medical examiners had erroneously attributed the deaths to natural cardiovascular issues. It was only through the persistent pressure of the victims' families that the GBI re-examined tissue samples, confirming that both men had been poisoned with the sweet-tasting but highly lethal chemical.