What Do I Check?
- proper names
- place names
- references to time, distance, date, season
- physical descriptions
- references to the sex of anyone described
- quotations (and facts within quotes)
- any arguments or narrative that depends on fact
Source: The Fact Checker’s Bible: A Guide to Getting it Right, by Sarah Harrison Smith
For a deeper probe into verifiability, look at the metadata. Here's how to read it.