Have you ever doubted the originality of a document during your research? The Mongolian investigative journalist Lkhagva Erdene gives tips on how to identify fake documents.
For more information on how to verify hints, leaks and facts read Chapter 2 or watch the interview with Kunda Dixit on whistleblowers and leaks as well as our conversation with David Schraven about fact-checking.
Want to know more about the journalist? Follow him on Twitter: @Lkhagva