Nancy Grace and Chris Pixley may think Scott is not entitled to anything if convicted, but obviously they don't know the law.
CALIFORNIA STATE PROBATE CODE
251. A joint tenant who feloniously and intentionally kills another joint tenant thereby effects a severance of the interest of the decedent so that the share of the decedent passes as the decedent's property and the killer has no rights by survivorship. This section applies to joint tenancies in real and personal property, joint and multiple-party accounts in financial institutions, and any other form of co ownership with survivorship incidents.
This states that the killer is not entitled to any part of the deceased half.
IT DOES NOT SAY HE IS NOT ENTITLED TO HIS OWN COMMUNITY PROPERTY.