Betty Broderick, Convicted Double Killer, Dies At 78

Betty Broderick, the former San Diego socialite convicted of killing her ex-husband and his new wife as they slept in 1989, has died at 78, according to published reports.

Broderick was serving a prison sentence in California for the killings of Dan Broderick and Linda Broderick. The case drew national attention for its blend of a bitter divorce, a highly publicized trial, and a double murder that prosecutors said unfolded in the couple’s bedroom.

Multiple outlets, including NBC News, the Los Angeles Times, and NBC 7 San Diego, reported Broderick’s death. People.com and LiveNOW from FOX also reported that she died at 78.

Broderick was convicted after authorities said she went to the home where her ex-husband, a physician and attorney, lived with his new wife and shot them in bed. The killings occurred in 1989 in San Diego, a detail repeated in recent coverage of her death.

The case became one of the most closely followed criminal proceedings of its era, turning Broderick into a widely recognized figure in true-crime coverage and national news. Her prosecution and convictions were discussed for decades as an example of a domestic dispute that escalated into lethal violence, and her name remained associated with one of Southern California’s most notorious murder cases.

Broderick’s death closes the final chapter on a legal saga that continued long after the verdict, including years of public interest in her imprisonment and periodic attention surrounding her eligibility for parole. Her case has remained a point of reference in conversations about intimate-partner violence, high-conflict divorce, and the criminal justice system’s handling of defendants whose actions unfold against a backdrop of domestic turmoil.

No further details were immediately provided in the reports cited about the circumstances of her death beyond her age and that she died while incarcerated.

What happens next will involve routine steps following an inmate death, including notifications and administrative procedures handled by state authorities. Any additional information about the timing, location, or official confirmation of her death is expected to come from corrections or other government officials.

Broderick’s death marks the end of a long-running and infamous case that left two people dead and a lasting imprint on American crime history.