Deaglio was born in
Turin, where he graduated in medicine (June 1971) and worked in the Mauriziano Hospital. In the mid-1970s, he started his journalism career for the communist newspaper
Lotta continua, of which he was editor from 1977 to 1982. Later he worked for numerous national newspapers and magazines, including
La Stampa,
Il Manifesto,
Panorama,
Epoca and ''
l'Unità. From 1985 to 1986 he was the editor of the newspaper Reporter''. Since the later 1980s, he has worked for the news show
Mixer on
RAI TV, focusing in particular on the Sicilian mafia and events Abroad. In the 1990s he hosted several shows on
Rai Tre, such as
Milano, Italia (January–June 1994), '
(1999), ', '
and '. From 1997 to 2008 he was editor of the weekly
Diario. In 2006 his TV documentary
Uccidete la democrazia! (Kill Democracy!), where he suggested that electronic votes in the
2006 Italian general elections were manipulated in favour of
Silvio Berlusconi's party,
House of Freedoms, generated significant controversies. Deaglio's theory was subsequently discarded by an official recount of ballots by the Italian Parliament. His brother, Mario Deaglio, is an economist at the
University of Turin. ==Selected bibliography==