Man Shot by Stepfather After Allegedly Threatening Mother With Knife in Cardiff Home

The shooting happened early Monday in the family’s home on Green Lake Drive

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San Diego County Sheriff's Department has identified the suspect and victims involved in a shooting at a home in Cardiff.

The San Diego County Sheriff’s Department said a 911 call came in just before 5:45 a.m. from a home along the 1200 block of Green Lake Drive.

Deputies said 59-year-old Robert Dean allegedly threatened his mother – Barbara Miller who is 80-years old– with a knife. The mother screamed for help, and her husband – the man’s stepfather – came running in.

The stepfather -- identified as 74-year-old William Miller--was armed with a gun and shot his stepson in his torso, deputies said.

Dean was critically wounded and taken to a local hospital. He later succumbed to his injuries and died, SDSO said.

The sheriff’s department said the Dean's mother was not hurt; the man’s stepfather was taken to the sheriff’s substation for questioning.

At this point, there is no further information on what led to the family disturbance.

Neighbors told NBC 7 they were shocked something like this would happen on their street, which they said is typically calm and quiet.

“I kind of came out to see because I didn’t believe it,” neighbor Claire Johnson told NBC 7. “I thought, ‘No that couldn’t be here.’ But I heard it was an assault with a deadly weapon, so yeah, that was scary.”

Check back for updates on this developing story.

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