New Details Revealed in Double Homicide

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    An image of Brian Williams used as his profile picture on Facebook.

    Brian Williams appeared calm during his first court appearance Wednesday. 

    The 24-year-old Rancho Penasquitos man faces two murder charges for the stabbing deaths of his mother and sister.

    Brother of Murder Suspect in Disbelief

    [DGO] Brother of Murder Suspect in Disbelief
    Brian Williams, 24, is accused of killing his mother and sister. (Published Thursday, July 21, 2011)

    His mother, Donna Williams, was a decorated veteran of the San Diego Police Department. His sister, Bree Williams was a standout athlete and recent graduate of Mt. Carmel High School.

    During Williams' arraignment, new details were released about the double homicide that took place around 1:30 a.m. Monday at the Williams' home on Paseo Montril.

    Man Allegedly Slit Family Members' Throats

    [DGO] Man Allegedly Slit Family Members' Throats
    Brian Williams, 24, pleaded not guilty Wednesday to the stabbing deaths of his mother, Donna Williams, a prominent San Diego Police Department child abuse detective, and his sister, Bree, an 18-year-old soccer standout and recent graduate at Mt. Carmel High. (Published Wednesday, July 20, 2011)

    Witnesses who heard screams coming from inside the home called 911. When officers arrived, they found Bree Williams'  body on the front walk way. Her brother was calmly sitting next to her,  a large kitchen knife not far away.

    Donna Wiliams was found inside the home.

    Double Homicide Suspect "Gentle, Good Guy": Friend

    [DGO] Double Homicide Suspect "Gentle, Good Guy": Friend
    Adam Evans has known Brian Williams for about 8 years, and only has positive things to say about him. Williams was arrested Monday and faces charges of brutally killing his mother and daughter in a Rancho Penasquitos home. Tony Shin reports. (Published Tuesday, July 19, 2011)

    Prosecutors said both victims were found with their throats slit.

    Witnesses told investigators that after Williams watched his sister fall off the second-story balcony outside her bedroom, Brian Williams calmly walked back through the upstairs bedroom window, walked to his sister's body and sat down next to her.

    Williams' public defender asked for his client to be put in protective custody because, he says, he wants deputies to observe Williams in order to determine for themselves that he suffers from mental illness.

    Williams will continue to be held without bail and will be back in court next week.