Lindsay Clancy’s ex-husband details ‘big spiral’ as expert says one part ‘scared me’ in mom’s murder trial

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Patrick Clancy, the begetter of 3 young children strangled wrong their Massachusetts home, became the archetypal witnesser Monday successful his ex-wife’s execution trial, offering jurors a harrowing relationship of the intelligence wellness diminution helium witnessed earlier their deaths.

He was the archetypal witnesser called successful the proceedings of Lindsay Clancy, who faces execution charges successful the deaths of the couple's 3 children successful January 2023. Prosecutors reason she acted deliberately, portion defence attorneys contend terrible intelligence unwellness drove her actions.

Patrick described watching his then-wife autumn into a "big spiral" aft she began taking Seroquel, testifying that she mislaid weight, became severely depressed and began expressing suicidal thoughts.

"Awful," helium said erstwhile asked however Lindsay was doing physically aft starting the medication. "That was truly wherever her large spiral started. She started to suffer a batch of weight, and she became precise depressed, and she was having a truly hard time."

LINDSAY CLANCY’S HUSBAND COULD TESTIFY FOR HER AT TRIAL OVER DEATHS OF THEIR THREE CHILDREN

Patrick Clancy took the basal Monday and described watching his woman autumn into a "big spiral" earlier she allegedly strangled their 3 young children wrong the family’s Massachusetts home. (Greg Derr/Pool/The Patriot Ledger)

Patrick besides testified that Lindsay told him she was experiencing intrusive thoughts astir harming their children, though she denied having a program and said the thoughts disturbed her.

"I ne'er saw Lindsay harm the kids," helium told jurors.

Patrick Clancy exits Plymouth Superior Court, Plymouth, Mass., connected Monday, July 27, 2026. His ex-wife, Lindsay Clancy, is connected proceedings for the execution of their 3 children. (David McGlynn for Fox News Digital)

Margaret McLean, a erstwhile transgression authoritative and proceedings lawyer who teaches instrumentality astatine Boston College’s Carroll School of Management, said Patrick’s measured transportation did small to conceal the anguish of a begetter being forced to retrace the months preceding his children’s deaths.

"I deliberation his demeanor connected the basal is truly rather clinical. He’s telling it arsenic it is," McLean told Fox News Digital. "You tin spot the anguish wrong this man’s eyes, his facial expressions. You tin archer he’s anguished up there, and it’s a horrible happening to person to relive and speech about."

McLean said Patrick appeared to beryllium compartmentalizing his emotions arsenic helium listened cautiously to the questions and provided straightforward answers.

"He’s got to get done this," she said. "He’s got to perceive to the questions and supply the answers arsenic champion helium can, and I deliberation that he’s doing that."

Lindsay Clancy reacts arsenic the details of her children's deaths are work successful tribunal connected Monday. (Greg Derr/Pool/The Patriot Ledger)

HEATED LINDSAY CLANCY COURTROOM EXCHANGE OVER 911 CALL, CRIME SCENE PHOTOS SETS STAGE FOR MOM’S MURDER TRIAL

Patrick testified that helium was not acrophobic for the children’s information erstwhile Lindsay archetypal shared that the intrusive thoughts were telling her to wounded herself arsenic good arsenic her children. Moments aft discussing the thoughts, helium said, she could beryllium seen making the children lunch, playing with them oregon preparing them for bed.

Patrick told jurors that helium became alarmed aft Lindsay was prescribed 13 psychiatric medications successful the months anterior to the murders and that helium pushed for an in-person assignment due to the fact that helium believed determination was a "disconnect" betwixt the seriousness of her information and the little telehealth sessions she was receiving.

"It seemed similar astir of her telehealth appointments were beauteous quick, and determination conscionable wasn’t, like, a batch of attention," helium said.

Patrick besides described taking Lindsay to infirmary exigency departments and helping her participate McLean Hospital aft she continued expressing suicidal thoughts.

He testified that helium "would person paid anything" if security had go an obstacle to keeping her hospitalized.

Lindsay Clancy was indicted connected 3 counts each of execution successful the 2023 deaths of her 5-year-old girl Cora, 3-year-old lad Dawson and 7-month-old lad Callan. She pleaded not blameworthy to the charges. (Greg Derr/The Patriot Ledger via Pool)

The grounds could permission jurors asking whether the informing prompted an capable response, McLean said, portion cautioning against placing blasted connected Patrick oregon household members who whitethorn not person understood the severity of the risk.

"So galore radical don’t recognize intelligence wellness today, truthful I’m not blaming him astatine all," McLean said. "Anybody mightiness person done what helium did, but that’s the portion that frightened me."

WATCH: Lindsay Clancy clutches tissues arsenic jurors perceive astir her 3 children

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Patrick’s grounds followed starkly antithetic opening statements from prosecutors and the defense.

Assistant District Attorney Shanan Buckingham told jurors that Cora, 5, Dawson, 3, and Callan, 8 months, were "deliberately and meticulously killed" by their parent connected Jan. 24, 2023.

Buckingham alleged that Clancy deliberately sent Patrick from their Duxbury location to prime up medicine and takeout food, giving herself capable clip to strangle each kid with an workout set earlier attempting to termination herself.

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McLean said Buckingham gave jurors a "roadmap of cold, calculated intent" portion humanizing each child's interests and focusing connected the clip and carnal effort required to transportation retired 3 abstracted strangulations.

"The prosecution did that due to the fact that she [Buckingham] wants the assemblage to retrieve that the enactment of strangulation takes clip and carnal effort," McLean said. "It requires a conscious prime to proceed 3 abstracted times."

Plymouth County Assistant District Attorney Shanan Buckingham delivers her opening connection successful tribunal connected Monday. (Greg Derr/Pool/The Patriot Ledger)

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The Commonwealth’s strategy, she said, is to cull the defense’s bid that Clancy suffered a abrupt psychotic interruption and alternatively represent her arsenic organized, purposeful and controlled.

During opening statements, defence lawyer Kevin Reddington conceded that Clancy killed the children but argued that the lone meaningful quality is what was happening wrong her mind.

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"She knows that she killed these children," Reddington told jurors. "The contented for information is what was going connected successful that woman’s mind."

McLean described the concession arsenic a calculated determination by a seasoned proceedings attorney.

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"By doing that, helium is attempting to portion the prosecution of their daze worth and unit the assemblage to look purely astatine Lindsay Clancy’s intelligence capacity," she said.

Reddington argued that Clancy had nary motive to termination children she had loved and nurtured. He besides displayed graphic infirmary photographs showing Clancy with injuries to her cervix and wrists.

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Lindsay Clancy's execution proceedings is expected to past six to 8 weeks, and the witnesser database contains much than 200 names. (Greg Derr/The Patriot Ledger via Pool)

McLean said the defence was framing Clancy’s paralysis "not arsenic a effect of a crime, but arsenic the tragic last grounds of a implicit postpartum psychotic break."

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Clancy, a erstwhile labour and transportation caregiver astatine Massachusetts General Hospital, has pleaded not blameworthy to 3 counts each of execution and strangulation. Her attorneys bash not quality that she killed the children but reason that she lacked transgression work due to the fact that of terrible postpartum psychosis.

Judge William Sullivan told jurors that the Commonwealth indispensable beryllium beyond a tenable uncertainty that Clancy was criminally liable erstwhile the children were killed.

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"It’s going to beryllium achromatic and achromatic for immoderate people, grey country for different people," McLean said. "It is going to beryllium 1 of the hardest things that this jury, oregon immoderate jury, volition ever person to decide."