Public records • Neutral recollection, no legal or medical advice.
Commonwealth v. ClancyInvestigation Archive • 2026
Judicial & forensic record

Court documents & filings

Official filings, warrants, civil claims and legal references. Every record can be downloaded as PDF, Markdown, or text.

Court Documents

3 records

Timelines

1 records

News Reports

12 records
news

Lindsay Clancy's diary shows the months before she killed her 3 kids

AP News coverage of the Lindsay Clancy trial, focusing on diary entries and evidence presented during the murder trial. The article provides neutral, factual reporting on the proceedings.

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news

Lindsay Clancy trial: Jury deliberations to continue Monday

Live updates from the AP News covering the Lindsay Clancy murder trial as jury deliberations continued.

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news

As Lindsay Clancy goes to trial, here's what to know about postpartum psychosis

A key question in a Massachusetts murder trial is whether postpartum psychosis drove a mother to kill her three children.

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news

Lindsay Clancy's ex-husband testifies about the day she killed their 3 children

PLYMOUTH, Mass. (AP) — More than three years after a Massachusetts mother strangled her three young children, her former husband described returning home to the aftermath and a jury listened Wednesday to his frantic 911 call, as her lawyers seek to prove she was in the grip of postpregnancy psychosi

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news

First responders testify about what they found after Lindsay Clancy killed her children

PLYMOUTH, Mass. (AP) — First responders offered jurors a firsthand account Thursday of what they found after Lindsay Clancy killed her three children and tried to end her life, during what her lawyers argue was an episode of postpregnancy psychosis.

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news

Women rally in support of Lindsay Clancy at her trial

PLYMOUTH, Mass. (AP) — Hundreds of Lindsay Clancy supporters, many wearing pink clothing emblazoned with phrases such as "Believe," "She Needed Help" and "Peace For Lindsay," gathered Thursday outside the courthouse where she is on trial in the killings of her three children.

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news

Psychologist hired by prosecutors testifies Lindsay Clancy was criminally responsible for killing her 3 children

The prosecution's final witnesses in the Lindsay Clancy murder trial Tuesday attempted to cast doubt on claims that she was suffering from postpartum psychosis and that a voice ordered her to kill her three young children.

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news

What the Lindsay Clancy trial reveals about a broken postpartum mental health system

Lindsay Clancy's murder trial hasn't just dominated headlines for its tragic story and true crime fascination. For many, it has prompted a groundswell of recognition and outrage around the barriers women face when seeking care, the lack of research on postpartum mental health conditions and little e

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news

Presentation of evidence concludes in Lindsay Clancy trial

Testimony concluded Wednesday in the murder trial of Lindsay Clancy, a mother accused of strangling her three young children in a case that has drawn attention to postpartum mental health.

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news

Jury deliberates in Lindsay Clancy trial after hearing closing arguments

PLYMOUTH, Mass. (AP) — Deliberations in the Lindsay Clancy murder trial have wrapped for the day and will resume Friday morning at 9 a.m. ET in Plymouth, Massachusetts. Jurors must decide whether to hold the former labor and delivery nurse criminally responsible for killing her three children in 202

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news

The central issue that the Lindsay Clancy jury will be deliberating

Jurors are deliberating in the murder trial of Lindsay Clancy, a case that has raised questions about maternal mental healthcare. Clancy does not deny killing her children, but she pleaded not guilty, arguing she can't be held criminally responsible because the murders occurred while she was sufferi

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news

Lindsay Clancy's 'mind was gone' when she killed her children, her lawyer says at trial's end

Defense argues postpartum mental illness drove Lindsay Clancy to kill children. Prosecutors say Clancy sent her husband on an errand to create time for killings. Clancy faces life in prison without parole if convicted.

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Legal References

7 records
legal

Commonwealth v. McHoul, 352 Mass. 544 (1967)

- William P. Homans, Jr. (Ronald J. Chisholm, Steven J. Comen & Grover G. Jackson with him) for the defendant

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legal

Lindsay Clancy Trial: What to Know About the Insanity Defense

Lindsay Clancy, 35, is on trial in Plymouth Superior Court in Brockton, Massachusetts, on three counts of first-degree murder in the deaths of her three young children, who were found dead in their home in Duxbury, Massachusetts, in 2023.

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legal

MA Bill H.4484 - Guilty Except Insane

Chapter 265 of the Massachusetts General Laws, as appearing in the 2008 Official Edition is hereby amended by adding the following section:-

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legal

Massachusetts General Laws Chapter 123, Section 16

1. **40-day observation period**: A person found incompetent to stand trial or not guilty by reason of mental illness may be hospitalized for 40 days for observation and examination

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legal

MA Model Jury Instructions - Lack of Criminal Responsibility

The Massachusetts Model Jury Instructions on Lack of Criminal Responsibility (Instruction 9.200) define the legal standard for insanity defense in Massachusetts.

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legal

Massachusetts Sentencing Guidelines for Murder

The Massachusetts Sentencing Guidelines provide a structured framework for sentencing in the Commonwealth. The guidelines include a sentencing grid that considers offense seriousness level and criminal history category.

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legal

Understanding Common Defenses to Criminal Charges

Despite popular perceptions to the contrary, defendants rarely enter pleas of "not guilty by reason of insanity." When they do, they often have a hard time proving it. The insanity defense is generally based on the principle that punishment is justified only where defendants are capable of controlli

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Mental Health & Clinical

5 records
clinical

Perinatal Mental Health

Perinatal mood and anxiety disorders are among the most common complications that occur in pregnancy or in the first 12 months after delivery. Despite the negative effects on maternal, obstetric, birth, offspring, partner, and family outcomes, perinatal mental health disorders often remain underdiag

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clinical

APA Resources on Postpartum Psychosis

An estimated one in five childbearing persons in the U.S. experience a mental or substance use disorder before, during, or after pregnancy each year. With support from the CDC Foundation, APA has developed a series of educational materials for addressing perinatal mental health.

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clinical

Postpartum Psychosis: What It Is, Symptoms & Treatment

Postpartum psychosis (PPP) is a reversible — but severe — mental health condition that affects people after they give birth. This condition is rare, but it's also dangerous.

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clinical

The Lindsay Clancy Case: Postpartum Psychosis and the "Insanity Defense," Explained

If you are worried about a new or expecting parent right now: call or text the 988 Suicide and Crisis Lifeline, or the National Maternal Mental Health Hotline at 1-833-TLC-MAMA (1-833-852-6262), free and confidential, 24 hours a day. Postpartum psychosis is a medical emergency. It is always appropri

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clinical

Perinatal/Postpartum Psychosis Help

Postpartum Psychosis (PP), also known as Perinatal Psychosis, is a serious perinatal mental health disorder that usually has an onset in the first 2 weeks (but up to a year). Postpartum Psychosis occurs in approximately 1 to 2 out of every 1,000 deliveries.

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Forensic Psychology Standards

2 records

Academic Studies & Research

5 records
study

A Systematic Review of Postpartum Psychosis Resulting in Infanticide: Missed Opportunities in Screening, Diagnosis, and Treatment

Alford, A.Y., Riggins, A.D., Chopak-Foss, J., Cowan, L.T., Nwaonumah, E.C., Oloyede, T.F., Sejoro, S.T., & Kutten, W.S. (2024). A systematic review of postpartum psychosis resulting in infanticide: missed opportunities in screening, diagnosis, and treatment. *Archives of Women's Mental Health*, 28(2

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study

Long-Term Outcomes of Postpartum Psychosis: A Systematic Review and Meta-Analysis

Gilden, J., Kamperman, A.M., Munk-Olsen, T., Hoogendijk, W.J.G., Kushner, S.A., & Bergink, V. (2020). Long-Term Outcomes of Postpartum Psychosis: A Systematic Review and Meta-Analysis. *The Journal of Clinical Psychiatry*, 81(2), 19r12906. https://doi.org/10.4088/JCP.19r12906

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study

The Global Prevalence of Postpartum Psychosis: A Systematic Review

VanderKruik, R., Bariktschung, K., Keating, C., & Cohen, L.S. (2017). The global prevalence of postpartum psychosis: a systematic review. *BMC Psychiatry*, 17, 272. https://doi.org/10.1186/s12888-017-1427-7

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study

Switch to Mania After Acute Antidepressant Treatment for Bipolar Depression: A Systematic Review and Network Meta-Analysis of Randomised Controlled Trials

Oliva, V., De Prisco, M., La Spina, E., Paolucci, S., Fico, G., Anmella, G., et al. (2025). Switch to mania after acute antidepressant treatment for bipolar depression: a systematic review and network meta-analysis of randomised controlled trials. *eClinicalMedicine*, 87, 103413. https://doi.org/10.

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study

Meta-Review of the Barriers and Facilitators to Women Accessing Perinatal Mental Healthcare

Webb, R., Uddin, N., Constantinou, G., Ford, E., Easter, A., Shakespeare, J., Hann, A., Roberts, N., Alderdice, F., Sinesi, A., Coates, R., Hogg, S., Ayers, S., & the MATRIx Study Team. (2023). Meta-review of the barriers and facilitators to women accessing perinatal mental healthcare. *BMJ Open*, 1

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