It should be noted that according to Jack Garcia, his UC work identified a whole new crew unknown by the FBI.

If the FBI can miss A CREW, they can miss quite a bit.

I'd suggest possible 65-75% of made guys would be know to LE. And 'know to LE' is ambiguous. I'm referring to know as a made guy, not just know in general.

MORGAN: Why didn't you fight him at the park if you wanted to? I'm not goin' now, I'm eatin' my snack.
CHUCKIE: Morgan, Let's go.
MORGAN: I'm serious Chuckie, I ain't goin'.
WILL: So don't go.