Josef Meinzer was arrested in Granite Bay for the alleged murder of his mother and brother; he surrendered to police after a standoff.

The Placer County Sheriff's Office identified the man arrested after deputies found two people dead inside a Granite Bay home.Josef Meinzer, 36, is believed to have been behind the homicides, the sheriff's office said.

A report of suspicious circumstances in a Granite Bay neighborhood on Monday morning has developed into a double homicide investigation, according to the Placer County Sheriff’s Office. Around 8 a.m.,