Caso did not fear any one:
He tried to kill Gotti, he killed Decicco, he killed Lino, he killed Boriello, he killed Roy Demeo amount others....
Fucken wild a pure Predator and the other mass killers in the life they mingled when crossed paths or had anything in common business or otherwise.
I guess when you are like that you must think others are constantly looking at you and I am sure they feel more comfortable In each other’s company a kind of sick respect.
They would often cross family lines and socialize together even having family mingle . I know Carmine and Casso did it all together from business to family functions even vacations.