Ranucci remarked that he had "never hidden" his connection with Lavitola.
The television program Report regularly covers high-level corruption and has drawn legal challenges from government ministers.
Ranucci has openly criticized alleged political interference within Rai by Prime Minister Giorgia Meloni’s administration.
The journalist previously detailed the severe risks associated with his work, including a 2024 incident involving bullets discovered outside his residence and a separate foiled assassination plot tied to his book on the Italian mafia.
He described the bomb attack as "a worrying new level" and noted it occurred "right in front of my home."
Investigators are continuing their efforts to establish the definitive motive behind the targeted explosion. Lavitola remains under official investigation by Italian authorities.
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Ranucci stated that Lavitola "had given the order to kill" but that the plot "was stopped."