There are some self-inflicted wounds by investigators in the case," says a former federal prosecutor who watched opening statements on Tuesday for Karen Read's retrial.

The prosecution and defense offered vastly different facts and theories as Karen Read's second murder trial got underway Tuesday.

Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial after a jury was unable to reach a verdict last year.

Karen Read is standing trial for a second time on charges she murdered her boyfriend, Boston Police Officer John O'Keefe.

Karen Read’s case has sparked national interest, fueled by the strange circumstances surrounding the charges and a Max documentary, “A Body in the Snow: The Trial of Karen Read.”