For De Correspondent I wrote an update on an interview I did back in 2014 with researcher Sven Brinkhoff, concerning starting information for criminal investigations. The reason for the update was a news article by De Volkskrant stating that the police had incorrectly judged and acted upon a piece of information it had received from the Dutch intelligence services, meaning an innocent family were jailed upon suspicion of joining ISIL.
Read my update here.