When Charles Lane confronts Stephen Glass in his office after realizing that Stephen's brother was the voice of George Sims, an expletive describing the voice mail was dubbed over to preserve the film's PG-13 rating.
Stephen claims that Ian's agent Joe Hiert prefers not to make business cards professionally made, this makes no sense because all agents rely on commission from their client's contracts and may need to be contacted on short notice.
Chuck tells Stephen the writers from Forbes Magazine can look up the records in the office building where the National Assembly supposedly took place. This is inaccurate because the writers from Forbes Magazine are not a government agency therefore the owners of the office building aren't legally obligated to provide those records because it would be considered privileged information.
the portrayal and the implication that most of the employees would quit if the management decided to fire Stephen is highly exaggerated, the other employees wouldn't risk their careers for anyone of their co-workers, such as Stephen.
When Stephen claims Ian is angry because his story "screwed up", his deal, if this was actually true, Ian would've never have Stephen present at the meeting with chairman and lawyers from Jukt Micronics in the first place.
Amy Brand tells Stephen that it's not a big deal that he was fooled by his source. This is a very big deal it demonstrates the magazine is prone to false information and their writers and editors don't research thoroughly the information that's given to them from their sources.
When Chuck tells Stephen they have to go investigate where the location actually took place, Stephen's constant denial and inability to maintain eye contact with Chuck would be clues that Stephen did in fact fabricate his stories.
When Stephen tells Michael he'll probably just kill it, implying his not going to finish writing the article, Michael should've told him he has to because as a staff writer, it's his job, Stephen doesn't have a choice.
If Stephen was trying to hide the fact that he fabricated his stories he shouldn't have offered to give Adam the number for Jim Ghort during the conference call, he should've waited for Adam to ask for the number.
When Stephen first pitches his stories, the fact that he said, "I'll probably just kill it" and "I'm not sure if I'm going to finish it" are clues that he fabricated his own stories. Why would a journalist would conduct all the research and interviews and not finish writing the article?
When Stephen tells Chuck his sure if he'll finish writing his story, Chuck should've told Stephen his obligated to finish writing the story, Stephen doesn't get to decide if he finishes the story or not.
When Gloria tells Chuck Stephen wouldn't have been able to fabricate his stories if he included pictures of the people he made up. Even though this isn't true she is only speculating and giving her opinion and opinions are unlikely to be proven incorrect, furthermore she is not a professional journalist, she is only a receptionist.
Andy wouldn't be helping Adam research if Stephen's stories were fabricated and participating in the conference call when Adam already told her he won't include her name in the byline therefore she wouldn't receive any recognition for her effort.
During the conference call criticizing Penenberg, Foroohar, and Fox by saying "I have no idea, I don't have a website, I would trust you guys to know more than me," would only add to their suspicions that Stephen fabricated his stories and want to further investigate the validity of his stories.
When Marty sits in on the editors' meeting, Caitlin is wearing a light blue sleeveless top. When the camera cuts back to the editors sitting down and checking the paper for "comma errors", she is wearing a dark blue button-up shirt with short sleeves.
At the end of the film, Stephen Glass, Chuck Lane, and their respective lawyers had a meeting to determine which of Glass's articles were fraudulent. In the DVD commentary, both director Billy Ray and the real-life Charles Lane said that the meeting happened, but only the lawyers attended.
When Stephen Glass and Michael Kelly talk about Glass's predicament, and Kelly asks Glass if he ever cooked a story when he was the New Republic's editor-in-chief, the discussion occurs at Kelly's current place of work. In the DVD commentary, director Billy Ray said that the conversation actually took place at Mike Kelly's house, and that Glass's girlfriend was present.