Kings County sheriff's deputies found 38-year-old Gilberto Madera shot dead inside a home on Becky Pease Street in Kettleman City on January 1.
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On Thursday afternoon, detectives arrested Madera's brother Rafael Hernandez in Kettleman City for the murder. A motive for the attack has not been released by the sheriff's office.
Hernandez was later booked into the Kings County Jail and faces murder charges.