The Labor of Massachusetts and the labor and delivery nurse who allegedly strangled and killed her three young children before attempting suicide last year is seeking an insanity defense, according to court documents.
Lindsay Clancy was indicted on three counts of murder and strangulation in September 2023, after prosecutors said she used exercise tires to strangle her 5-year-old daughter Cora, her 3-year-old son Dawson and her 8-month-old baby. Callan, before attempting suicide in her Duxbury home.
Clancy’s attorney, Kevin J. Reddington, filed a notice in Plymouth Superior Court on Dec. 13, stating that “statements made by the defendant regarding her mental state will be relied upon by the defendant’s expert witnesses, and the defendant intends to submit it to the court.” court a defense of lack of criminal responsibility.”
Court documents provide a glimpse into the events that led to the 32-year-old’s decision to allegedly kill her children.
MASSACHUSETTS MOTHER LINDSAY CLANCY’S 911 DISPATCH REVEALS FRANTIC FIRST RESPONDERS

Lindsay and Patrick Clancy with two of their three children in this undated photo (Lindsay Marie Clancy/Facebook)
Plymouth District Court has released 299 pages of documents showing 11 search warrants issued in January 2023 and kept confidential.
The warrants were used to collect exercise bands, medications, computers, notebooks, phones, a belt, a bathrobe, pajamas and a silver knife.
According to the documents, the mother of three told her husband of six years, Patrick Clancy, that she felt “anxious” about returning to Massachusetts General Hospital, where she was a labor and delivery nurse.

Lindsay Clancy with two of their three children in this undated photo (Lindsay Marie Clancy/Facebook)
Patrick told police that Lindsay went to psychiatrists, who prescribed medication her multiple medicationsincluding Zoloft, Valium, Trazodone, Ativan, Klonopin, Prozac and Seroquel.
According to records previously obtained by Fox News Digital, Patrick confided in a family friend about his wife’s mental health issues and expressed concern that she suffered from an anxiety prescription withdrawal a month earlier.
The documents also shared Clancy’s actions leading up to the murder of her three children.
On the morning of January 24, Clancy took her daughter to a pediatrician, called a local CVS store about a prescription for stool softener and ordered dinner at the ThreeV restaurant in Plymouth.

Duxbury Police are investigating the deaths of three children on January 25, 2023 in Duxbury, Massachusetts. (David L Ryan/The Boston Globe via AP)
She also used Apple Maps on her cell phone “to determine how long it would take someone to travel from her home in Duxbury to ThreeV in Plymouth,” according to court documents.
Clancy also allegedly texted her husband to see if he could pick up the takeout food at the restaurant and the medications at CVS.
When Patrick arrived home, there was “silence,” according to court documents.
Finally he found blood on the floor and noticed it an open window.
According to court documents, he ran outside to the backyard and found Lindsay on the ground, conscious and with cuts on her wrists and neck, and immediately called 911.
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Boston 25 News reported that Assistant District Attorney Jennifer L. Sprague also filed a motion in Plymouth Superior Court last week, asking for a September trial date.
“While DNA test results and expert reports are excellent, it is reasonably believed that this discovery will be completed well before September 2025,” she wrote in the file obtained by the station.
Fox News Digital’s Sarah Rumpf-Whitten and Chris Eberhart contributed to this report.