Sandy Maloney was a 40-year-old woman who was found dead on her couch in her home. Her death was initially believed to have been a fire accident. However, after investigation, her estranged husband, John Maloney, was found guilty of killing her. Investigations revealed that Sandy had been strangulated and suffered blunt-force trauma, which led to her death.
The case was featured on Forensic Files season 9 episode 6, entitled Burning Desire, which examines the forensic revelations that resulted in Maloney's conviction. The official synopsis states:
"Investigators sifted through the ashes of a fire that had killed a 40-year-old woman, the estranged wife of a police officer. At first glance, the fire appeared to have been started by an unattended cigarette. But when forensic scientists looked closely, they discovered the cause was far more complicated."
Five significant details surrounding the murder of Sandy Maloney
1) The events leading up to Sandy Maloney's death
As per Forensic Files Now, Sandy Maloney was getting ready for a divorce hearing on February 11, 1998. She had also talked to her mother the previous night and complained about her safety issue. However, her mother came to Sandy's house the following morning and found her charred body on the couch.

The authorities initially suspected a house fire caused accidentally by cigarettes or alcohol because there were empty bottles of liquor at the site. But more examination brought out discrepancies that indicated foul play.
As per Forensic Files Now, based on investigators, Sandy had perished before the fire's ignition. She had a high blood alcohol level, but not a lethal one. Further, she did not have any appreciable soot in her lungs—meaning she had not breathed smoke from the fire. Forensic findings indicated trauma on her neck and back that aligned with strangulation.
2) Evidence connecting John Maloney to the crime
John Maloney became the main suspect in Sandy Maloney's murder based on several significant pieces of evidence. Forensic Files Now stated that physical evidence indicated foul play, with bruises on Sandy's body showing signs of strangulation and blunt-force trauma.
Investigators also discovered tissue remnants packed into the crevices of the sofa, which were suspected to have been used as tinder to ignite a fire. To add to this, CBS News reported the finding of a bloodied shirt stashed in Sandy's laundry room. The shirt was evidence that Sandy had been injured before death, which served to strengthen the theory of murder.
The motive was also of crucial importance. CBS News said John was experiencing financial pressures and continuing relationship troubles. The forthcoming divorce would have seen him having to pay alimony and the division of the jointly owned assets.
Further, he had another relationship with a young woman called Tracy Hellenbrand and, he allegedly desired to move forward with his life. Despite his alibi and Tracy's claims that he was innocent, police established that John was present at Sandy Maloney's house on the night she died.
3) Forensic science revealed murder
Forensic science was instrumental in establishing that Sandy Maloney was murdered. Fire investigators, as reported by Forensic Files Now, noted that the fire started from the couch and spread upward, but did not travel far because there was little oxygen. The discovery meant that the fire had been intentionally set and not by accident.
Careful inspection of Sandy's body also did not detect any soot in her lungs, which only verified that she had already succumbed to death when the fire broke out. Injuries to her neck and back also established the fact that she had been strangled. The investigators also utilized phone records to create a timeline of what had happened.
According to the Killer Queens podcast, Sandy's phone usage ceased abruptly at 6:40 pm on February 10, indicating that she died sometime between 6:30 pm and 7:30 pm, when her phone started working again. These forensic observations eliminated accidental death or alcohol poisoning as a possibility, conclusively making the case a homicide.
4) Trial and conviction
John Maloney was arrested months later on vacation in Las Vegas with his mistress Tracy Hellenbrand. Prosecutors alleged he murdered Sandy Maloney in a fight over their divorce proceeding and then torched the house to cover it up. At trial, medical examiners testified that Sandy was brutally beaten. Prosecutors brought evidence of money motives and stress in their relationship.

As per CBS News, surveillance videos captured John acting suspiciously with Tracy. According to the Killer Queens podcast, in 1999, John Maloney was convicted of murder, arson, and mutilation of a corpse. He was sentenced to life in prison.
5) Controversies involving the conviction of John Maloney
John Maloney's conviction has raised arguments over whether or not he committed the offense. As per Forensic Files Now, Maloney's three sons have stood by him openly, insisting on his innocence.
As per CBS News, there were suggestions by some experts that Sandy Maloney might have perished due to alcohol poisoning and not murder. According to the Generation Why podcast, Maloney's conviction has been appealed several times, but has failed to be reversed. The case is still disputed by those questioning whether all of the evidence was thoroughly examined.
Sandy Maloney's murder case is documented in Forensic Files season 9 episode 6 (Burning Desire), which can be streamed at no cost through channels such as Sling Freestream, Pluto TV, or The Roku Channel.