That the real, original mafia started in Abruzzo before the Sicilians took over. True or false? If true, who is their mafia? And I know this question has been posted before, by myself, but I've asked around and I still get this theory, but that the Abruzzese mafia all immigrated to Canada/USA. And I KNOW Abruzzo is far from Sicily, I go to Italy all the time. Grazie.

Maffia was founded at the end of the 1850's, around the citrus trees (orange, lime, lemon, ...) that surrounded Palermo.

We'll never really know, Francesca, because the roots of what we call the "Mafia" today are too obscure and too hidden in secrecy for us to find a real clue.
Crime has been around since Cain killed Abel. Criminal organizations that were organized and combined banditry with politics, existed in every country and civilization, in every era. Often they functioned as local quasi-goverments, especially during periods of foreign domination and corrupt officials. The equivalent of the "Mafia" can be found in the histories of most countries, let alone various regions of Italy (although Italy's regions had a higher-than-average history of domination by foreign powers).
Since these "Mafia"-like groups operated in secrecy, we won't find an official history or a founders' certificate. Instead, various historians arbitrarily fix on a significant incident to claim the "beginning" of the group.