Man Charged with Murder, Attempted Murder, and Arson

Author: District Attorney
Date: 10/16/2024 5:48 PM

District Attorney Dan Dow announced the filing of criminal charges filed against Alan Fonseca Osio for murder of his father and attempted murder of his mother. Additionally, the defendant is charged with arson and assault on a police animal. It is also alleged that he was convicted in 2019 of a serious or violent "strike" offense.

The Office of the District Attorney filed criminal charges today against Alan Fonseca Osio (29) for the crimes of murder, attempted murder, arson, and assaulting a police animal on October 14, 2024 at his parents residence in Arroyo Grande.

The defendant is scheduled to be arraigned in in Department 3 of the Superior Court of San Luis Obispo County on Thursday, October 17, 2024 at 8:30 a.m.

It is important to note that a criminal complaint contains charges that must be proven in a court of law by proof beyond a reasonable doubt. Every defendant is presumed innocent until proven guilty by plea or conviction by jury or judge.

A copy of the charging document can be found here.  A copy of the defendant's booking photo can be found here.

Please contact Assistant District Attorney Eric J. Dobroth at 805.781.5819 with any questions.
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