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

What to KnowTestimony is continuing on Thursday in the Lindsay Clancy trial, with more police officers on the stand.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” at 7 p.m. in the video player atop this story for a full recap and more analysis.

Several police officers testifying Thursday as the Lindsay Clancy murder trial continues following an emotional day in court. The first two witnesses were state police sergeants who testified about information pulled from the Clancy family’s laptop computer and Lindsay’s cellphone.

Prosecutors say Clancy, 36, 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 a livestream of the court proceedings in the video player above, and follow along with our live blog below: