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's murder retrial begins with opening statements as she faces charges in Boston Police Officer John O'Keefe's death with new limitations on defense strategy.

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.”