No, he has not kept up. Those of us who had any unbiased interest in the Mueller investigation continuing have now seen that some of the redacted sentences in the two reports so far (Nunes and Schiff response) are about FBI informants. There is Halper and possibly others like him which are the super-secret sources and methods that the Dems keep screaming can't be exposed. We now understand that is partisan CYA and may point to conspiracy against a political candidate.
The screamers now include Rosenstein and Wray. I have a feeling that Shapiro listened to Rosenstein only, and decided that there were super-secret sources (e.g. double agents in Russia) that need protection, that implicate Trump campaign officials. But as the facts leak out there are none. Instead there are British agents and FBI agents, and nothing more. There are still questions how this Russia collusion sting got started but it seems that it was most likely British.
Shapiro assumes he is smarter than everyone else but he has not looked at and considered the evidence carefully. Or perhaps Shapiro got a phone call. At best he is a useful idiot.