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Lindsay Clancy has added a prominent Boston defense attorney to her legal team as she prepares to argue that she cannot be tried a second time over the deaths of her three children.
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Shop NowMartin Weinberg entered a limited appearance on Tuesday to handle a forthcoming motion to dismiss the case on double jeopardy grounds, according to court filings reported by Fox News. The filing states he will represent Clancy “in connection with the dismissal motion and ‘related matters.'”
The move follows the collapse of her trial. On September 4, Judge William Sullivan declared a mistrial after jurors deliberated for seven days without reaching a unanimous verdict. Reports placed the split at 11-1 in favor of finding Clancy not criminally responsible.
Prosecutors have not publicly said whether they intend to retry her. The case returns to court on September 29.
Clancy is charged in the deaths of her three children — Cora, 5, Dawson, 3, and Callan, 8 months — in January 2023.
She has not disputed that she killed them, but pleaded not guilty and argued at trial that she was not criminally responsible, citing postpartum psychosis and the effects of medication she had been prescribed. Prosecutors argued the killings were deliberate and planned.
Weinberg brings direct experience with the argument Clancy’s team intends to make. He mounted a similar effort for Karen Read after her 2024 trial ended without a verdict.
Read’s lawyers contended that jurors had unanimously agreed to clear her of second-degree murder and leaving the scene while remaining divided only on manslaughter, and argued she should not be retried on the counts the jury had effectively resolved.
That effort did not succeed. A judge rejected it, finding the jury had never formally returned not-guilty verdicts. Read was retried in 2025 and acquitted of murder and manslaughter, though she was convicted of a misdemeanor charge of operating under the influence.
Fox News did not report the specific legal reasoning Clancy’s team will advance, saying only that the defense will argue the circumstances surrounding her mistrial make a second trial improper.
The article carried no comment from Weinberg, from Clancy’s existing attorney Kevin Reddington, or from the Plymouth County district attorney’s office.
As a general matter, a mistrial caused by a deadlocked jury does not bar prosecutors from trying a defendant again. The motion will therefore have to establish what about these particular circumstances makes this case different, and the September 29 hearing is the first test of it.
