SAN DIEGO (CBS) — Police on Monday arrested a family member accused of killing a respected Southland police detective and her daughter in their home.

Donna Williams, 52, and her daughter Brianna, 18, were found stabbed to death in their Rancho Penasquitos home on Sunday.

KNX 1070’s Tom Reopelle reports police have arrested Brian Williams, 24, as a suspect in the murder of his mother and sister.

“It’s a big impact on everybody in the department, especially those in the child abuse unit,” said San Diego Police Capt. Jim Collins.

“We are a family, and a case like this is devastating,” he added.

The 31-year veteran detective was known affectionately as the “Queen Mother” for her work in the city’s child abuse unit.

Police said the son used a kitchen knife to kill his mother and sister.

Comments (10)
  1. LAX says:

    Donna Williams was 5? Is there something wrong here?

    1. Karen says:

      It’s a typo. I heard the story on KNX. She was 52. GOD REST HER SOUL AND THE SOUL OF HER DAUGHTER.

      The death penalty is too good for this brat. Let him sit in prison the rest of his miserable life.

      I don’t know how long that will be when the other criminals hear he murdered his own mother.

    2. Shiggity says:

      A women and her daughter lose their lives, and you’re worried about typos. You must be a reporter reject. Sorry you didn’t get the job.

      1. Shiggity says:

        Woman not women was my typo. See how easy that was.

  2. Really says:

    To put here life on the line every day only to be killed with her daughter in her own home by her son….tragic and sad. Well, thank you for your service.

    As far as the son goes, I hope you rot.

    1. Really says:

      I meant to put her life on the line.

  3. So Sad says:

    This is terribly sad. Everyday when you look at the news, it’s another sad story. Another dedicated person with a tough job is gone. Rest in peace to you & your daughter.

  4. Jeff says:

    I wonder what made this idiot snap. How can you kill your own mother and sister? Michael Myers and this guy should go bowling.

  5. MomJB says:

    I knew Donna and Bree through Softball. Both good people. Brian always hung around supporting his mom and sister. He never said too much. Dad died 4 years ago and Brian just never got over it. I heard this from friends this morning. Please don’t forget Brian in your prayers. This is a good family and tragic struck them. So many people I know were with Donna and Bree yesterday. Bree pitched great and her team qualified for the 18 Gold Nationals and Donna was there cheering her on as she has since Bree was 5. They were two wonderful
    people. I don’t know if Brian has always been depresses but something certainly snapped last night. I’m hoping that DK, little Howard and the other sis ( can’t remember her name) can see to support Brian thru this. He’s family. No matter what. Donna, Bree love you! “Bring it in Heaven, Bree!

  6. Steve Tolentino says:

    I am so sad of this news, I had gone to grammer school with Donna up till the 6th grade, we then both went to different schools after. It was only less then a year ago that through facebook I had a mission to find most of our elemenatry scool mates an heard that Donna was a police officer in SD. I called every department in the SD area an a kind officer there let me know that a Donna Williams may be there person I was looking for. I left my number and Donna did call me, we had talked and I was trying to invite her to meet with 13 of the 42 classmates of our graduating class at Mckinley elementary school in Santa Monica that I have found. Busy as she may have been, we never got to see her. I will miss her dearly. RIP Donna Steve T.

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