 His uncle Angelo Prezzanzano was a capo in the Bonanno crime family and his cousin Frank Gangi Jr. and uncle Frank Gangi Sr. were both drug dealers.In August 1960, Rosario's paternal uncle Frank Sr. was murdered in a mob-related incident that involved Sicilian hit men being brought down from Montreal, Canada to kill Frank Tuminaro and Gangi Sr.It was suspected the murders were carried out by Genovese mobster Charles Gagliodotto, who in August 1969 was found strangled to death, supposedly by members of Tuminaro's family.