Betty Broderick Dies in California Prison After Notorious Double Murder of Ex-Husband Dan Broderick and Linda Kolkena

Betty Broderick, the California socialite whose bitter divorce and double-murder case became one of America’s most notorious true-crime stories, has died in prison at the age of 78.

The California Department of Corrections confirmed that Broderick died on Friday while in state custody.

Officials said she had been moved to a medical center weeks earlier for a higher level of care, though details about her health condition were not released.

Authorities determined that she died of natural causes. Her official cause of death is expected to be confirmed after an autopsy.

Infamous Double Murder Followed Bitter Divorce

Broderick was convicted for killing her ex-husband, Dan Broderick, and his new wife, Linda Kolkena, in November 1989.

The couple were shot while sleeping in their bed after years of conflict between Betty and Dan following the collapse of their marriage.

The case drew national attention because it involved wealth, betrayal, divorce, custody disputes and a killing that Broderick later framed as the result of years of emotional abuse.

Marriage Collapsed After Affair Allegations

Betty and Dan Broderick married in 1969 and had four children together.

Dan later built a successful career after graduating from Cornell medical school and Harvard law school, eventually becoming a prominent medical-malpractice lawyer.

Their relationship began to unravel in the 1980s. Betty accused Dan of having an affair with Linda Kolkena, a former flight attendant who had been hired by Dan as a legal assistant.

Dan denied the affair during the marriage but later acknowledged the relationship after the divorce process began.

Divorce Battle Became Intensely Hostile

Dan and Betty filed for divorce in 1985 after 19 years of marriage.

The split became deeply contentious, with the former couple fighting over custody of their children, finances and the family home. Dan was eventually granted custody.

The dispute pushed Betty into an increasingly unstable and resentful state, according to accounts of the case. Her anger escalated into harassment and destructive behavior directed at Dan and Linda.

Broderick’s Rage Escalated Before the Killings

In the years before the murders, Broderick carried out a series of hostile acts against her ex-husband and his new partner.

She was accused of damaging property, defacing the former family home, driving her car into Dan’s front door and leaving obscene messages on his answering machine.

She also reportedly told her children several times that she would kill their father.

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Dan responded by seeking legal protection. Broderick was arrested, placed in a mental facility at one stage, and became subject to a restraining order that barred her from entering his property.

Fatal Shooting Happened Months After Dan Remarried

Dan married Linda Kolkena in 1989, several years after the divorce process began.

Tensions between the newlyweds and Betty continued after the wedding.

On November 5, 1989, about seven months after Dan and Linda married, Broderick entered their home at around 5 a.m. and shot both of them dead in their bedroom.

The murders became the defining act in a case that had already drawn attention for its bitter personal and legal conflict.

Conviction and Life Sentence

Broderick was convicted in 1991 of two counts of second-degree murder.

She was sentenced to 15 years to life in prison and spent the rest of her life behind bars.

Over the years, she made several attempts to secure parole, but each request was denied.

In 2017, San Diego County Deputy District Attorney Richard Sachs described her as defiant and completely unrepentant.

Broderick Continued to Defend Herself

Even from prison, Broderick continued to argue that her actions were connected to domestic abuse and the way she had been treated during her marriage and divorce.

In one letter connected to a podcast, she reportedly described herself as a “political prisoner” and portrayed the killings as the result of abuse.

Prosecutors and parole officials, however, repeatedly rejected her attempts to justify the murders and denied her release.

Secret Letters Revealed Prison Relationship

In 2020, secret letters written by Broderick to her boyfriend, Bradley Wright, were revealed after being found in a storage unit in San Diego.

Wright had been dating Broderick before the murders and was reportedly the person who discovered the bodies of Dan and Linda.

The letters, dated between 2003 and 2006, showed Broderick asking Wright for affection, money and visits while she was incarcerated.

The correspondence also included romantic messages, complaints about his relationship with another woman and requests for him to come see her in prison.

Impact and Consequences

Broderick’s death closes the final chapter of a case that remained controversial for decades.

To some, she was remembered as a calculating killer who murdered two people after refusing to accept the end of her marriage.

To others, the case became a symbol of divorce rage, emotional collapse and a woman who claimed she had been broken by years of mistreatment.

The murders devastated two families, left four children without their father, and turned Broderick into one of the most discussed figures in American true crime.

Her repeated parole denials also showed that authorities never accepted her claims of remorse or justification as sufficient grounds for release.

What’s next?

An autopsy is expected to determine Broderick’s official cause of death, although prison officials have already said she died from natural causes.

Her death is likely to renew public attention on the case, including the divorce, the affair, the killings and the long-running debate over whether Broderick was a victim, a murderer, or both in the eyes of those who followed the story.

The prison system is expected to release final medical findings once the autopsy process is completed.

Summary

Betty Broderick has died in a California prison at 78 after serving decades for the 1989 murders of her ex-husband, Dan Broderick, and his new wife, Linda Kolkena. Broderick shot the couple in their bed after years of conflict linked to divorce, custody, money and Dan’s affair with Kolkena. She was convicted of two counts of second-degree murder in 1991 and sentenced to 15 years to life. Her parole requests were repeatedly denied, and she died in custody from natural causes.

Bulleted Takeaways

• Betty Broderick died in a California prison at age 78.
• Officials said she died from natural causes.
• She had been moved to a medical center weeks earlier for a higher level of care.
• Broderick murdered her ex-husband Dan Broderick and his new wife Linda Kolkena in 1989.
• Dan had an affair with Kolkena after years of marriage to Betty.
• Betty and Dan divorced after 19 years of marriage.
• Their divorce involved bitter fights over custody, property and finances.
• Broderick was convicted in 1991 of two counts of second-degree murder.
• She was sentenced to 15 years to life in prison.
• Her parole requests were repeatedly denied.
• Secret prison letters later revealed her continued relationship with boyfriend Bradley Wright.
• Her official cause of death will be released after an autopsy.