Found it. Just a brief mention that may either be valid or just hypergolic, but I expect there’s at least a grain of truth there.
http://radiolegendary.com/2015/07/lady-biker-waco-cops-targeted-bandidos-in-twin-peaks-shooting/
If the LE targeted the Bandidos, then why was only ONE Bandido killed?
I do recall seeing that, but pretty much dismissed it. Source did not connect Swanton to the LLC with any documentation.