A couple of new documentaries I found:

The Smaldone mafia family from Denver:
https://www.youtube.com/watch?v=MbJtXMa0ZAQ

Charlie Wall (gangster from Tampa and Santo Trafficante's rival)
part 1
https://www.youtube.com/watch?v=jf7mupVN52E
part 2
https://www.youtube.com/watch?v=VX1UBKVuKYA
part 3
https://www.youtube.com/watch?v=8gP8_UXB-U0
part 4
https://www.youtube.com/watch?v=ZvjA2v2wBdo

Frank Matthews (probably the smartest black gangster ever, considering the conclusion of his career)
https://www.youtube.com/watch?v=P9w_4VxdAU0

Willie Marfeo to Henry Tameleo:

1) "You people want a loaf of bread and you throw the crumbs back. Well, fuck you. I ain't closing down."

2) "Get out of here, old man. Go tell Raymond to go shit in his hat. We're not giving you anything."