Plus the fact that the league never told the Saints PLAYERS that a bounty system was being investigated.

If the league had told the Saints players, especially the defense, that any bounty/pay-for-performance programs were illegal and players involved would be subject to heavy fines and/or suspensions, that would have ended it.

According to a source, the NFLs evidence is based on a lie. Supposedly GW gave Vilma 10k to give to the players, but the money was never handed out. Vilma supposedly gave the money back to GW. Also according to the source, the NFLs investigation is basically a joke and revolves around the NFL trying to accumulate leverage over the NFLPA.