He rarely worked alone, instead leading a "death squad" that included Mario Prestifilippo, Filippo Marchese, Vincenzo Puccio, Gianbattista Pullarà, Giuseppe Lucchese, Giuseppe Giacomo Gambino and Nino Madonia.
Meggiorini was transferred to Bari on 2 July 2009 along with Bonucci, Matteo Paro (loan), Andrea Ranocchia (loan) and Giuseppe Greco (loan) in another co-ownership deal, which the 50% registration rights of Bonucci Meggiorini were valued €1.75 million and €2.75 million respectively.
Giuseppe Garibaldi | El Greco | Greco-Roman wrestling | Giuseppe Tornatore | Giuseppe Sinopoli | Giuseppe De Santis | Giuseppe Capogrossi | Juliette Gréco | Greco-Italian War | Greco | Giuseppe Terragni | Giuseppe Mazzini | Al Del Greco | Salvatore "The Engineer" Greco | Giuseppe Ungaretti | Giuseppe Lignano | Wrestling at the 1912 Summer Olympics – Men's Greco-Roman lightweight | Salvatore "Ciaschiteddu" Greco | Greco-Turkish War (1919-1922) | Giuseppe Tucci | Giuseppe Radaelli | Giuseppe Pizzardo | Giuseppe Morello | Giuseppe Marchese | Giuseppe Guarneri | Giuseppe Di Cristina | Buddy Greco | San Giuseppe Jato | Rima San Giuseppe | Jim Greco |
During the Second Mafia War in the beginning of the 1980s he was part of a "death squad" of the Corleonesi together with Mario Prestifilippo, Filippo Marchese, Vincenzo Puccio, Gianbattista Pullarà, Giuseppe Lucchese, Giuseppe Greco and Nino Madonia.
His name also appeared as backer of the killing of Mario Prestifilippo and Giovanni Fici, assassinated in 1987 and 1988 to prevent retaliation after the elimination of the Mafia killer Pino "Little Shoe" Greco.
The peace between the two rival factions of the Greco clan was settled by giving the rights of the Giardini estate to Salvatore "Ciaschiteddu" Greco (the son of Giuseppe Greco of Ciaculli) and his cousin Salvatore Greco, also known as "l'ingegnere" (The Engineer) or "Totò il lungo" (Totò the tall) (the son of Pietro Greco of Ciaculli).