Before anyone comes and says im a Rick Ross stan i homestly don't like this nigga one bit.
With that said people have to understand when doing any "gang activity"(gang being defined as 3 or more people) exposes you to the very real risk of RICO. RICO was first established to close loopholes in the law system (mafia dons having associate give someone else the order to kill to keep themselves clean of a crime) and has been expanded as a way to target all gang members for the action of a few as far as monetary gains go.
Ok now you would ask how does all that have any influence qhether Ross snitched or not? Well if Ross DID and make payments towarda the GD then the FBI would AUTOMATICALLY lump that criminal act in with all the others (thats the point of RICO)
In order for RICO charge to be established FBI has to establish very accurately times, dates, and people who have done such illegal activities and profited from it. Obviously they would need a very high ranking member of said gang who witnessed such transactions taking place.
In conclusion and for those who arent going to read very possible it was a high rankinf member of GD and NOT Ross who snitched