Episode 5 - When The Movie Is Inaccurate.

The recent Bohemian Rhapsody film, which chronicles the rise and fame of Queen and lead singer Freddie Mercury, also contains some historic inaccuracies (When he was diagnosed with AIDS, for example). Many non-fiction bio-pics fall into this same trap. Why and how does it happen? And does it really matter? I spoke with veteran movie critic Stephen Whitty about the issue and examples from many past films.