Lindsay Clancy strikes evidence deal as fingerprint gap opens trial debate, expert says

Lindsay Clancy spoke straight successful tribunal Tuesday, repeatedly answering, "Yes, Your Honor," arsenic she agreed to fto prosecutors dainty definite forensic facts arsenic established hours earlier a authorities constabulary trooper testified that investigators recovered nary usable fingerprints from a weapon oregon 3 workout bands.

The developments narrowed the Massachusetts mother’s execution proceedings toward its cardinal dispute: whether Clancy was criminally liable erstwhile her 3 children were killed wrong the family’s Duxbury home.

Before jurors entered the courtroom, Judge William Sullivan questioned Clancy astir a stipulation covering definite evidence.

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

"You recognize that by signing the stipulation, you’re agreeing that the Commonwealth does not person to beryllium these definite facts that are contained successful the stipulation," Sullivan said. "Do you recognize that?"

"Yes, Your Honor," Clancy replied.

Defendant Lindsay Clancy listens during her execution proceedings astatine Plymouth Superior Court successful Plymouth, Mass., connected Thursday, July 30, 2026. (CJ Gunther/The Boston Herald via AP, Pool)

Asked whether anyone had forced oregon threatened her to judge the agreement, Clancy said, "No, Your Honor."

Sullivan recovered that Clancy was competent and had entered the stipulation "knowingly, intelligently, voluntarily and willingly."

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Defense lawyer Kevin Reddington said the statement would forestall prosecutors from calling dozens of witnesses solely to found the concatenation of custody for blood, bodily fluids, workout bands and DNA evidence.

"We person not been contesting the government’s lawsuit successful chief, if you will," Reddington said.

The stipulation is not a blameworthy plea oregon an admittance that Clancy was criminally liable for the deaths of Cora, 5, Dawson, 3, and Callan, 8 months.

WATCH: Former authoritative explains strategy down Lindsay Clancy grounds agreement

Margaret McLean, a erstwhile transgression authoritative and proceedings lawyer who teaches instrumentality astatine Boston College’s Carroll School of Management, said the statement allows the defence to steer jurors distant from repetitive forensic grounds and toward Clancy’s intelligence state.

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"The ineligible strategy down the determination by the defence is to steer the jury’s absorption distant from the horrific quality of the acts and to that cardinal contented of transgression intent, oregon what we would telephone mens rea," McLean told Fox News Digital.

McLean said Clancy’s measured responses Tuesday should not beryllium taken arsenic grounds of her intelligence information connected Jan. 24, 2023.

"She sounded rational. She understands what she’s doing," McLean said. "But remember, the Commonwealth’s load of impervious is to beryllium that she was sane beyond a tenable uncertainty astatine the clip the crimes were committed -- not today, not 2 weeks ago."

WATCH: Trooper details transgression country grounds postulation astatine Lindsey Clancy's home

Later, Massachusetts State Police Trooper Jonathan O’Loughlin testified astir examining a weapon and 3 workout bands collected from the home.

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

O’Loughlin said the weapon contained an country of friction-ridge impression, but investigators could not usage it to place anyone.

"There was not capable characteristics oregon minutia to bash immoderate comparison," O’Loughlin said, adding that the content had "no value."

Defendant Lindsay Clancy connected Monday, Aug. 3, 2026, the 5th time of grounds astatine Plymouth Superior Court for her execution trial. Clancy is charged with 3 counts of execution successful transportation with the decease of her 3 young children successful 2023 astatine their Duxbury home. Clancy says she was suffering from postpartum psychosis and is not criminally responsible. (Greg Derr/Pool/The Patriot Ledger)

The yellow, achromatic and bluish workout bands likewise produced nary impressions suitable for comparison.

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"The bottommost enactment is that you didn’t get immoderate fingerprints," Reddington said.

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"Correct," O’Loughlin replied.

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Lindsay Clancy's 3 children, 5-year-old Cora, 3-year-old Dawson and 8-month-old Callan. (Lindsay Marie Clancy facebook)

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O’Loughlin said fingerprints are "very, very, precise fragile" and tin beryllium affected by an object’s texture, biology conditions, movement, grip spot oregon whether a aboveground was wiped.

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McLean said the lack of identifiable prints could marque jurors wonderment whether gloves were utilized oregon the items were wiped, perchance viewing the missing prints arsenic grounds of planning.

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The defense, she said, tin antagonistic that jurors indispensable not "speculate connected thing that’s not successful evidence."

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"They tin usage their communal consciousness erstwhile they spell to the array and they deliberate," McLean said, "but they can’t speculate [about] things that are not successful the evidence."