 Later he became Minister Fiorentino Sullo's head of press service, thereby starting his career as a journalist.He founded a press agency, called "Osservatore Politico" (OP), which quickly became a weekly magazine, specializing in political scandals and publishing many first-hand stories that Pecorelli was able to obtain through his numerous contacts in the government, including in secret services.Pecorelli publicly acknowledged that his best pieces were the ones which had not been published on OP, due to agreements with the parts involved, which preferred to pay him hefty sums of money to ensure his silence.