Postpartum Psychosis Murder Trial | MA v. Lindsay Clancy | Day 6 Catchup

This is the Day 6 of the 6-to-8-week trial report of the murder trial of Lindsay Clancy, accused of murdering her three children Dawson, Cora and Callan. Lindsay Clancy pleads not guilty by the reason of insanity.

Case Report

Factual background:

On January 24, 2023, 35-year-old former labor and delivery nurse Lindsay Clancy of Duxbury, Massachusetts, requested that her husband run errands to pick up dinner and medication. While he was away from the home, Clancy strangled their three children—5-year-old Cora, 3-year-old Dawson, and 8-month-old Callan—in the basement using exercise bands before attempting suicide by jumping from a second-story window. Patrick Clancy returned home to find his wife severely injured in the yard and the children unresponsive in the basement; Cora and Dawson died that day, while Callan died three days later at Boston Children’s Hospital. Lindsay Clancy, who survived the fall but remains paralyzed from the waist down, was charged with three counts of first-degree murder.

Criminal complaint:

CHARGES:
1. 1st Degree Murder 3 counts

Victim(s): Cora (5 Years Old), Dawson (3 years old), Callan (8 Months)

Courthouse: Plymouth County Courthouse, Massachusetts

Officers of the court

Judge:

Hon. William Sullivan

Attorneys


Prosecution:
ADA Shanan Buckingham
ADA Jennifer Sprague
Defence:
Kevin Reddington

Legend:
ADA = Assistant District Attorney

MA v. Lindsay Clancy – Day 6 Trial Summary

On Day 6 of proceedings (August 4, 2026) in Commonwealth v. Lindsay Clancy, the prosecution presented forensic, medical, and crime scene evidence across eight witness testimonies. The day opened with medical testimony confirming the physical, non-severe nature of Lindsay Clancy’s wrist lacerations, followed by testimony from law enforcement and cybercrime personnel who detailed the recovery and inventory of prescription pill bottles from the Clancy home.

State Police crime lab scientists and toxicologists detailed blood and urine screening results, confirming the presence of several prescribed psychiatric medications (including diazepam, lorazepam, oxazepam, temazepam, and quetiapine) in Lindsay’s system. Finally, crime scene specialists testified regarding bloodstain pattern analysis, fingernail swab collections, and weapon examination, with cross-examinations highlighting the absence of fingerprints on the recovered knife and exercise band as well as the absence of illicit substances in the defendant’s toxicology screens.

Witness-by-Witness Summaries

Maureen Hartnett – Forensic Scientist II

Key summaries (Click arrow for more)
Forensic scientist who collected biological swabs from Lindsay Clancy at Brigham and Women’s Hospital and processed crime scene bloodstains.
Summary Of Testimony

Hartnett testified that she swabbed red-brown stains on Lindsay Clancy’s hands and collected samples from underneath her fingernails on January 25, 2023. She confirmed observing four red-brown stains in the master bedroom that screened positive for blood, from which she took two swabs, while noting she did not swab the red-brown stain outside the window.

Key evidence introduced!
  • Nothing Of Note.

Full report below!

Sources:

LIVE: Lindsay Clancy Murder Trial — MA v. Lindsay Clancy — Day 6, Law & Crime Trials Youtube Channel, Available Online: https://www.youtube.com/live/9Eaer_nA878?si=MYYTt-W62HkKhUaW


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