Well, it's an interstate commerce incident, which is squarely within the FBI's purview.

> 2/ why would the FBI get involved in local police matters?

Because as far as the US government is concerned, GPU technology is an export-controlled, somewhat sensitive item. Like non-nuclear components for nuclear weapons, in a way.

their insurance doesn't give a fuck

When the company doesn't care, the insurance still cares.

When the police don't care, the insurance still cares.

Insurance always cares.

Yeah, the FBI is busy felatios for Binance and their billion funny-dollar coins!