Unfortunately, they aren't investigating Net Neutrality ruling (yet). This is about the very fishy rule change about cross-ownership that no-one was asking for, which immediately led to a lucrative Sinclair broadcasting deal.
The top internal watchdog for the F.C.C. opened an investigation into whether Chairman Pai had pushed for and timed the deal to benefit Sinclair.
The answer is yes, of course. The question is, can they prove it?
When Trump said "Drain the swamp" did you take that to mean get rid of people watching out for you and give everything to the rich whenever and wherever they want it? If so, you are getting exactly what he promised.