Editor’s note: Testimony in this trial may be graphic and difficult for some viewers to hear.

What to KnowThe prosecution rested its case Monday morning in the Lindsay Clancy trial and the defense began calling witnesses.The final prosecution witness was digital forensics expert Ian Whiffin of Cellebrite, who testified in both Karen Read trials.Among the Clancy defense’s first witnesses were her mother, sister and former colleagues. Prosecutors say Lindsay Clancy strangled her children — Cora, 5, Dawson, 3, and Callan, 8 months — on Jan. 24, 2023, after sending her then-husband Patrick out for some errands. She then jumped out of the home’s second-story window and was paralyzed from the waist down in the fall. The defense says she was in the grip of bipolar disorder and postpartum psychosis and should not be held criminally responsible.Watch “Commonwealth Confidential” in the video player atop this story for a full recap and more analysis.

The prosecution rested its case Monday morning in the Lindsay Clancy murder trial and the defense began calling witnesses.

The final prosecution witness was Ian Whiffin of Cellebrite, who testified in both Karen Read trials, and Clancy’s first witnesses included her mother and sister.

Prosecutors say Lindsay Clancy strangled her children — Cora, 5, Dawson, 3, and Callan, 8 months — on Jan. 24, 2023, after sending her then-husband Patrick out for some errands. She then jumped out of the home’s second-story window and was paralyzed from the waist down in the fall. The defense says she was in the grip of bipolar disorder and postpartum psychosis and should not be held criminally responsible.

Here’s what happened in court on Monday: