One thing that impressed me about D'Arco was his knowledge of all things Mafia. He could tell you things you wouldn't think he would know, he even mapped out the current Cosa Nostra structures in Sicily and their ties to America at the time. You have to wonder about the encounters that these rats have in the underworld that they don't even tell you about. They spill a lot of beans, but not all of the beans. I also liked how D'Arco didn't have a large ego like so many other rats, he didn't feel the need to go around doing interviews, going on Larry King and starting a YouTube channel. He was actually quite humble compared to other rats in my opinion. A pretty reserved man.