[fidelis]

"He told police that he drank a fifth of vodka and used methamphetamine before murdering his mother."

I have a hunch this may have had more to do with his actions than the alleged hit contract taken out by his mother.

[CincyRichieRich]

He told police that he drank a fifth of vodka and used methamphetamine before murdering his mother.”
...tequila maybe, but not vodka.