Bay Area woman who killed her mother live on social media found legally insane

"A San Rafael woman who stabbed her mother to death last year is not guilty by reason of insanity, a Marin County jury determined Monday. Tonantzyn Oris Beltran, 30, was charged with murder for the death of Olivia Beltran, 55, in January 2024. The jury heard testimony for four weeks and deliberated for three hours before reaching its verdict Monday afternoon."

"The verdict means the jury found that mental illness made the defendant incapable of knowing the attack was wrong. Marin County Superior Court Judge Geoffrey Howard will have the defendant placed in a psychiatric facility. Her defense attorney, Matthew Siroka, said she will be held indefinitely. Beltran would have faced 25 years to life in prison if convicted of murder, Siroka said. He praised the jury after the verdict."

"We feel vindicated because we've been telling the detectives and the DAs since the day everything happened that my cousin was insane at the time, Sandra Beltran said. I'm amazed by the amount of county resources they decided to spend on this trial, only to have these wonderful, intelligent jurors see the truth, she said of the prosecution. The homicide happened at an apartment complex on Cresta Way."

Tonantzyn Oris Beltran, 30, was found not guilty by reason of insanity for the January 2024 stabbing death of her mother, Olivia Beltran, 55. The jury heard four weeks of testimony and deliberated for three hours before returning the verdict that mental illness made the defendant incapable of knowing the attack was wrong. Marin County Superior Court Judge Geoffrey Howard will order placement in a psychiatric facility, and the defense attorney said she will be held indefinitely. Prosecutors showed a webcam video of the attack that was streamed on Facebook, and family members reacted outside the courtroom.

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