Critical evidence that was logged a month after police collected it. Defense lawyers at the trial of Karen Read – a Massachusetts woman accused of hitting her cop boyfriend with her SUV and leaving him for dead – are aggressively going after evidence being used against the 45-year-old woman.

Prosecutors in Karen Read's trial use crash expert data to support claims she hit boyfriend John O’Keefe with her SUV as evidence mounts in Massachusetts court.

A contested accident reconstruction expert testified Tuesday, explaining a series of experiments and measurements that he conducted involving her SUV.

Jurors saw bizarre photos of the accident deconstructionist, who is expected to be the government's last witness in the blockbuster Massachusetts trial, wearing clothing similar to what Boston Police

John O’Keefe died from falling backwards and hitting his head on frozen ground, according to a Yale-educated brain surgeon who testified Wednesday in the murder trial of Karen Read.

Karen Read is again standing trial for allegedly killing her boyfriend in Canton three years ago in a crime saga that has captured national attention. We broke it all down.

The prosecution appears to be on the verge of resting its case in the Karen Read retrial, which resumes Tuesday after Memorial Day.