In the latest AHC episode about Pistone, he says that he was called to a meeting where two Bonanno soldiers accused him of not being a jewel thief and that he might be FBI. His mentor Jilly was there and defended him and Pistone punched one of his accusers.

There's no way to know if these accounts are true. I doubt this one.

"Generosity. That was my first mistake."
"Experience must be our only guide; reason may mislead us."
"Instagram is Twitter for people who can't read."