Factual errors: When Nathan Muir is approaching the exit of the CIA building, close to give his badge on his final day, he has already tipped off the press and he thinks Bishop is fine. But he sees on the TV screen a new "live report from Hong Kong" where the reporter says that Bishop was already dead. It is about 3pm in Langley when Muir is leaving, which makes it impossible to be daylight in Hong Kong... yet the live report from Hong Kong is clearly in daylight.
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