Lindsay Clancy Trial: Prosecution Rests After Four Weeks of Testimony as Apple Watch Data Takes Center Stage

Prosecutors have wrapped up their case against Lindsay Clancy after presenting testimony from more than 70 witnesses in the Massachusetts mother’s murder trial.

The prosecution rested Monday, Aug. 17, after four weeks of testimony from family members, friends, first responders, psychiatrists and other medical professionals. Clancy, 36, is accused of killing her three children — Cora, 5, Dawson, 3, and Callan, 8 months — at the family’s Duxbury home in January 2023.

 

Authorities allege Clancy deliberately strangled the children before jumping from a second-story window in what prosecutors say was a suicide attempt. The fall left her paralyzed from the waist down, and she now uses a wheelchair.

Clancy’s defense does not dispute that she caused the children’s deaths. Instead, attorney Kevin Reddington argues that she was suffering from postpartum psychosis and had been improperly treated with multiple medications, leaving her unable to understand the wrongfulness of her actions.

The state’s final witness was digital forensics expert Ian Whiffin, who examined data from Clancy’s phone and Apple Watch.

According to Whiffin, Clancy’s phone was last unlocked at 5:13 p.m. on Jan. 24, 2023. Patrick Clancy later made two unanswered calls to his wife, at 5:33 p.m. and 6:09 p.m. Between those calls, Lindsay placed a brief 14-second call to Patrick.

Patrick eventually returned home around 6 p.m. and found Lindsay outside before discovering their children in the basement.

 

Whiffin also discussed Apple Watch information collected through Clancy’s cellphone, including changes in her heart rate and activity levels. The defense questioned the reliability of that data, noting that the watch stopped recording activity around 5:23 p.m., shortly before the phone was no longer active.

The forensic examination also included Clancy’s internet searches and communications. Investigators found searches concerning depression as well as messages between Lindsay and Patrick, including photographs connected to her medical treatment and the family home.

Clancy had sought psychiatric care in the months before the killings and had been treated for anxiety, depression and insomnia.

The defense is expected to begin presenting its own witnesses after the prosecution’s case concluded. Prosecutors could later call rebuttal witnesses.

 

If convicted of murder, Clancy faces life in prison without parole. If jurors find her not criminally responsible because of mental illness, she could instead be committed to a secure state psychiatric facility and remain there for an extended period.