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Crime & Justice • True Crime

Betty Broderick

Betty Broderick was an American woman convicted of murdering her former husband, Daniel T.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Betty Broderick was an American woman convicted of murdering her former husband, Daniel T. Broderick III, and his second wife, Linda Kolkena, in San Diego in 1989. Her case became one of the most widely reported American true-crime cases of the late 20th century, and she was later convicted of second-degree murder and sentenced to 32 years to life in prison. She died in custody in 2026 at age 78.

Early life

Betty Broderick was born Elisabeth Anne Bisceglia in 1947. Public sources identify her as an American woman who later became known through her marriage and subsequent criminal case.

Marriage and divorce

Broderick's marriage to Daniel T. Broderick III ended in a bitter divorce that drew public attention. Reporting on the case describes financial disputes, custody conflict, and allegations of marital betrayal as central elements of the background.

Murders and trial

On November 5, 1989, Broderick killed Daniel Broderick and his second wife, Linda Kolkena, in San Diego. After an initial trial did not end in a final conviction, she was found guilty in a second trial in 1991 of two counts of second-degree murder.

Imprisonment and death

Broderick received a sentence of 32 years to life and remained incarcerated for the rest of her life. She died in custody in May 2026, with reports stating that she was 78 years old.

Key facts

  • Betty Broderick was born Elisabeth Anne Bisceglia in 1947.
  • She shot and killed her ex-husband and his wife on November 5, 1989, in San Diego.
  • Her first trial ended without a final conviction, and she was retried in 1991.
  • In 1991, she was convicted of two counts of second-degree murder.
  • Broderick died in custody in May 2026 at age 78.
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Canadian context

Broderick's case was widely covered in North American true-crime media and has been referenced in television and documentary programming available to Canadian audiences.

Frequently asked questions

Who was Betty Broderick?
She was an American woman convicted of killing her ex-husband, Daniel Broderick, and his wife, Linda Kolkena, in 1989.
What was Betty Broderick convicted of?
She was convicted of two counts of second-degree murder after a second trial in 1991.
What sentence did she receive?
She was sentenced to 32 years to life in prison.
Where did the murders take place?
The killings occurred in San Diego, California.
Did Betty Broderick die in prison?
Yes. Reports in 2026 stated that she died in custody while serving her sentence.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Betty_Broderick
    Supports: Birth name, date of birth, murders, second-degree murder conviction, and sentence.
  2. The Guardianhttps://www.theguardian.com/us-news/2026/may/09/betty-broderick-convicted-double-murder-ex-husband-wife-dead
    Supports: Death in 2026, age 78, and incarceration at the time of death.
  3. The New York Timeshttps://www.nytimes.com/2026/05/12/us/betty-broderick-dead.html
    Supports: Death in 2026, age 78, and notoriety of the murder trial.
  4. A&Ehttps://www.aetv.com/articles/case-file-betty-broderick
    Supports: Crime date, location, victims, motive framing, and sentence.
  5. Biography.comhttps://www.biography.com/crime/betty-broderick
    Supports: Trial history, conviction, and parole-related reporting.