Stefano Trevisan: The challenge of presenting open source evidence in court

20/06/2025

Stefano Trevisan, Legal Advisor at Legal Action Worldwide and open-source information expert, sits down with Wayamo’s Mark Kersten to discuss the complexities of presenting open source information as evidence in a court, and the challenges that technological change brings for judges and prosecutors.

Time Stamps:

00:54 How important is open source information to the preparation of cases, including those under universal jurisdiction?
02:06 Is it possible to use open source information alone to build cases?
03:30 Who is leading on the admissibility of open source evidence in national courts and what are
some of the best practices?
05:31 How can we ensure that evidence of international crimes is properly authenticated so that lawyers can feel confident that they are bringing real solid evidence to court?

The Wayamo Foundation is an independent, non-profit organisation established to strengthen the rule of law, promote justice for international crimes and foster transparency through judicial capacity building, mediation and informed journalism.

The Sudan Justice Hub is supported by the Ministry of Foreign Affairs of The Netherlands and the German Federal Foreign Office.