A California man killed his wife, son and in-laws before he was arrested after a Wednesday night domestic violence shooting, authorities said.
Shane Parrish Killian, 54, faces multiple charges, including first-degree murder, according to Alameda County Jail records.
The Alameda Police Department said it received a call Wednesday evening from someone saying their neighbor had been shot. Responding officers found a victim and several others while clearing the home.
"Four shooting victims died at the scene: the shooter’s wife, father-in-law, mother-in-law, and 6-year-old son," Alameda Police Department spokesperson Sarah Henry told Fox News Digital. "A second young son was also shot and is in very critical condition."
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The boy who was killed was 6 years old, and Killian's 1-year-old son was in critical condition.
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Alameda Police Chief Nishant Joshi told Fox San Francisco that investigators found "multiple firearms and significant evidence" that linked the husband to the crime.
Authorities have not disclosed a motive for the killings.
Killian was booked into the Santa Rita Jail and is being held on no bail.