Lindsay Clancy has retained attorney Martin G. Weinberg to represent her in Plymouth Superior Court as she prepares to file a motion to dismiss her case on double jeopardy grounds, court records show. Weinberg, known for securing high-profile acquittals, filed a “notice of limited appearance” Tuesday signaling his involvement in Clancy’s defense in relation to the forthcoming motion.

Clancy, 36, a former labor and delivery nurse, faces three counts of first-degree murder connected to the 2023 deaths of her three children: Cora, 5; Dawson, 3; and Callan, 8 months. She has pleaded not guilty, asserting an insanity defense based on postpartum psychosis after admitting to strangling her children.

Her trial, which took place earlier this year, ended in a mistrial on September 4 after the jury reported being deadlocked following approximately 38 hours of deliberation. Jurors in subsequent interviews indicated the vote was 11-1 in favor of acquittal based on lack of criminal responsibility, with the lone dissenting juror expressing doubt but refusing to acquit.

Weinberg brings extensive experience with similar cases. He briefly joined the legal team for Karen Read, representing her in filing a dismissal motion after Read’s own murder trial ended in a mistrial. Though the motion was denied, Read was ultimately acquitted at retrial. Weinberg also recently defended Suffolk County Sheriff Steven W. Tompkins, who was acquitted on federal extortion charges related to cannabis business dealings. Additionally, Weinberg secured the acquittal of Richard Vitale, a former adviser to ex-state House speaker Salvatore F. DiMasi, on federal corruption charges in 2011.

Prosecutors have not yet indicated whether they will pursue a retrial of Clancy’s case. A hearing is scheduled for September 29 to address next steps. Should Clancy be acquitted at a potential retrial on the grounds of criminal insanity, she would be committed to a state psychiatric hospital rather than released, subject to periodic judicial reviews determining when or if she could safely return to the community.