Palermo police arrested Pietro Luisi, a young man on the rise and wanted since July. The man, belonging to the family of Brancaccio, was hiding in an apartment building in Via Rocco Jemma, he is one of the rising scions among mafia families.

There was also his name among the arrest warrants issued at the end of July on the Porta Nuova mafia family, including Armando and Salvatore Luisi, Pietro's brothers , who ended up in jail. He was considered reliable by the regent of the Brancaccio family, Luigi Scimò (known as Fabio), already a reference man of the boss Giuseppe Guttadauro (called u dutturi).

From the investigations of the Flying Squad, it emerged that he was considered the man of cocaine, able to weave contacts with the large families of the "Ndrangheta" and to send large quantities of cocaine to the Sicilian capital to be allocated, for example, to the market of Vucciria.

It was, for example, documented a negotiation, conducted in first person by Luisi, on behalf of the important mafia family of "Corso dei Mille", with the Barbaro family of Platì, to treat the importation to Palermo of a large lot of cocaine.