Yes, I’d say meth head white dudes.
Typically along the west coast this is correct. From SanFrancisco upto Portland and Seattle the catalytic converter market is run by meth addicts, fent addicts, really junkies of any kind.... its the metals inside the converter thats easily sold off for quick cash.
I'd guess down in L.A. it could be immigrants. It's typically a white tweaker crime but generally white tweakers don't come up shooting.
As far as Wacktor, he was 'walking home from working a rooftop bar at 3:30 am?' Is this like a Spacey/Smollet walk at 3 am?