The psychiatrist who prescribed multiple medications to Lindsay Clancy in the months leading up to the deaths of her three children took center stage during the ongoing murder trial. Dr. Jennifer Tufts, 37, was called as an expert witness by the prosecution and faced a rigorous cross-examination from Clancy's defense attorney, Kevin Reddington.

Tufts acknowledged that she treated Clancy, 35, exclusively through telehealth appointments and prescribed her numerous medications in the four months before the January 2023 incident. She also admitted to increasing Clancy's medication dosage just one day prior to the deaths of Cora, five, Dawson, three, and eight-month-old Callan, who were found strangled to death with exercise bands. Clancy has pleaded not guilty to three counts of first-degree murder by reason of insanity, with her defense arguing she was suffering from severe postpartum depression and psychosis and was overmedicated.

During her testimony on Monday, Tufts's demeanor and responses drew significant attention. Reddington challenged her qualifications and experience, particularly concerning postpartum psychiatry. He questioned whether her experience, which included a residency and approximately one month of practice in the specialty before treating Clancy, could be considered expert. Tufts stated her areas of specialty included mood disorders and a particular interest in women's mental health, including perinatal psychiatry, but she demurred when directly asked if she considered herself an expert in postpartum conditions, responding, "I may be, I don't know, I think it depends what you find an expert as."

Reddington also pressed Tufts on her medical notes from her interactions with Clancy. In one exchange, after Reddington questioned a note that appeared to omit the word "not" before "hyper, pressured speech," Tufts became defensive. "I don't care what it says. I know what I meant!" she stated. As Reddington continued to scrutinize the notes, Tufts appeared visibly upset.

Tufts and another doctor who treated Clancy, Alia Goodheart, are also named as defendants in civil lawsuits filed by Clancy and her ex-husband, Patrick Clancy. These suits allege that the medical professionals overmedicated Clancy and failed to properly diagnose her following the birth of her youngest child. Both doctors have previously argued that the children's deaths were not reasonably foreseeable.

Tufts, an Ivy League graduate from Cornell University, completed her medical residency at Boston University in July 2022, shortly before joining Aster Mental Health. The trial continues as attorneys for both sides present their cases regarding Clancy's mental state at the time of the killings.

Cora, five, Dawson, three, and eight-month-old Callan were found strangled to death by exercise bands in their family's basement