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Michael Desronvil said in a statement to CBS News that the physical evidence, witness testimony and prosecution’s case convinced him Lindsay Clancy knew exactly what she was doing when she killed her children and that she had planned the attacks. He rejected assertions by other jurors that he had admitted to reasonable doubt before refusing to apply the legal standard for an insanity defense, according to the account reported Thursday by the BBC. Desronvil added that he felt cut off whenever he tried to present alternative theories during the deliberations, a point he emphasized in response to the wave of post-trial interviews from the majority of the panel.
A mistrial was declared Sept. 5 after seven days of deliberations spanning nearly 40 hours, with Judge William Sullivan determining the jury could not reach a unanimous verdict, an AP News report from that day showed. The panel split 11-1 in favor of finding Clancy not guilty by reason of insanity, a position that 11 jurors later detailed in interviews with NBC Boston, USA Today and ABC News. Defense attorneys had asked the judge to remove the holdout for allegedly disregarding instructions on reasonable doubt, but those requests were denied before the mistrial, according to a Reuters dispatch.
Roni Carlson, the jury foreperson, told NBC Boston in an interview aired Sept. 8 that she grew excited when Desronvil appeared to acknowledge reasonable doubt during talks. “He admitted he had reasonable doubt and I started filling out the forms, I was so excited,” Carlson said. “But I’m still not going to say that she’s not guilty by reason of insanity.”
Paula Devlin, another juror, described Desronvil as “very arrogant” and said the group spent multiple days reading and highlighting the court’s definition of reasonable doubt in an effort to persuade him, according to the same NBC Boston conversation. Nick Dargie told ABC News and Good Morning America that the holdout once picked up an exercise band similar to the one used in the killings, wrapped it around a water bottle and pulled it in what Dargie called a shocking reenactment. Dargie added that the man often scrolled on his phone instead of engaging when asked to cite specific evidence supporting his stance, a detail echoed in a Boston Globe summary of the juror interviews.
Clancy admitted to strangling her children Cora, 5, Dawson, 3, and Callan, 8 months, at the family home in Duxbury on Jan. 24, 2023, after directing her husband to run an errand, according to testimony outlined in a New York Times live update from the trial. Her defense team argued throughout the five-week proceedings that she had been in the throes of untreated postpartum psychosis and bipolar disorder, rendering her not criminally responsible, a position supported by expert witnesses. Prosecutors maintained that sending her husband away and carrying out the killings in separate rooms demonstrated planning and an understanding that the acts were wrong, The New York Times coverage noted.
Defense attorney Kevin Reddington criticized the holdout outside court after the mistrial, telling reporters that the rest of the jury had been robbed of a fair process by one individual’s refusal to follow the law, according to a Reuters report from Sept. 9. Plymouth District Attorney Tim Cruz has not yet decided whether to retry the case, stating that the office would review all options including potential lesser charges, an AP News account indicated. The proceedings have fueled broader discussions about maternal mental health treatment and the application of insanity defenses, as reflected in coverage across multiple outlets including WBUR.
