[6] Giordano met Abbie Hoffman in April 1981;[7] they worked together frequently until Hoffman's death in 1989,[2] collaborating on a number of campaigns, including the ultimately unsuccessful effort of the Del-AWARE environmental group[8] to prevent the building of the Point Pleasant, Pennsylvania, pumping station on the Delaware River, with Giordano running a petition campaign to demand the referendum which was placed on the May 1983 ballot.

[21] The Narco News Bulletin's coverage of the War on Drugs included a "string of scoops"[22] and led to the resignation of the Associated Press's Bolivia correspondent.

[24] After having unsuccessfully filed a libel suit against Menéndez Rodríguez,[25] Mexican journalist and founder and editor of the newspaper Por Esto!, in a Mexican court, Mexican bank Banco Nacional de México (Banamex) in 2000 filed a libel and slander suit in a New York court against Menéndez Rodríguez, Giordano and Narco News for having written articles claiming that the chief officer of Banamex was involved in drug trafficking and, specifically, the Colombian drug trade; that the bank had been created by drug money and that its officers were involved in money laundering.

The lawsuit "pitted the powerhouse New York firm Aiken Gump Hauer and Feld against Giordano's mostly volunteer lawyers",[26] who included Martin Garbus and Tom Lesser, who had previously defended Hoffman and Amy Carter.

Giordano lost enthusiasm in 1994, when Sanders refused to "align with" Barney Frank and other Democrats working together to oppose House Speaker Newt Gingrich.

For instance, Sanders' comments about the illegitimacy of the primary process, and dismissal of Clinton's victories in Southern states, which were fueled by black voters, have "poisoned the well," Giordano said, and made unity against the Republicans difficult.

According to a report in The Boston Globe, there were multiple allegations that Giordano harassed and intimidated young women at his School of Authentic Journalism, an annual retreat for aspiring journalists and activists.

Some former students and colleagues claim that Giordano "selected female applicants based on their appearance, encouraged them to drink alcohol, and propositioned them for sex.