DUXBURY, Mass. — Newly unsealed court documents and physical evidence logs have injected a startling new dimension into the ongoing, high-profile investigation surrounding the Clancy household in Duxbury.
While public interest and continuous media coverage have spent months hyper-focusing on the vast array of prescription medications, fitness trackers, and emotional personal journals seized from the property, physical evidence records reveal that crime scene technicians also catalogued a loaded, high-caliber handgun tucked away inside an upper bedroom closet.
The unexpected revelation has instantly shifted the spotlight for state investigators, sparking urgent questions regarding home safety protocols, domestic dynamics, and the legal ownership of the lethal weapon.
For over a year, the tragedy that claimed the lives of five-year-old Cora, three-year-old Dawson, and eight-month-old Callan was publicly understood through the singular lens of severe maternal mental health crises, strangulation, and a devastating fall from a second-story window.
However, the unsealing of forensic evidence sheets from the Plymouth County District Attorney’s Office shows that state police detectives executed meticulous search warrants spanning every room of the Summer Street residence in the immediate aftermath of the January 2023 tragedy.
The Hidden Finding in the Closet
According to the unsealed property logs, state troopers clearing the second-floor master bedroom located a black semi-automatic handgun stowed inside a locked container, hidden beneath folded linens on a top closet shelf. Forensic units successfully opened the lockbox and secured the weapon, confirming that the firearm was fully loaded with an active round resting directly inside the chamber.
Alongside the primary firearm, technicians documented several high-capacity magazines, boxes of live ammunition, and standard firearm cleaning equipment.
The presence of a loaded firearm inside a residence where a parent was reportedly undergoing intense psychiatric evaluations and taking a complex battery of prescription drugs immediately raised serious red flags for law enforcement agencies. Investigators launched a secondary priority trace through state and federal licensing databases to establish the complete paper trail of the weapon.
Tracing the Firearm’s Ownership
As ballistics experts and state police investigators cross-referenced the firearm’s serial number with official firearms registration files, one vital piece of information stood out to the lead prosecutors.
The firearm was officially registered to Patrick Clancy, Lindsay’s husband, who had legally purchased and documented the weapon several years prior to the events of January 2023.
Official state records confirm that Patrick held a valid Massachusetts License to Carry (LTC) and had passed all required background screenings at the time of purchase. Neighbors and close acquaintances interviewed by state troopers expressed complete shock at the discovery, noting they had no idea firearms were kept on the property, routinely describing the couple as quiet, suburban professionals centered entirely around their young children.
Legal Weight and Forensic Impact
While state crime laboratory reports confirm that the firearm was never discharged and was not physically used in the commission of the crime, legal scholars emphasize that its documented presence carries substantial legal weight.
Prosecutors are examining whether storage conditions complied strictly with Massachusetts safe-storage mandates, which require firearms to be kept locked or equipped with tamper-resistant trigger guards when cohabitating with minors or individuals in distress. Furthermore, digital forensics teams are re-examining seized laptops and phones to determine if Lindsay Clancy was aware of the weapon’s location, ensuring every angle of the residence’s environment is fully understood before court proceedings conclude.