From complaints of the WODC shows that the government has tried to interfere several times in the results of the investigation. The WODC conducts research commissioned by the Ministry of Security and conducts research into drug policy in the Netherlands, among other things.
 
Since 2014 it appears that the conclusions about the legalization of weed are being rewritten and that the research report is being criticized. The research in question concerns legalization and coffee shops.
The seven-sided complaint was resubmitted in 2017 to a confidential advisor from the Ministry of Security.
 
 
https://www.rtlnieuws.nl/nederland/artikel/3757196/topambtenaren-manipuleerden-onderzoek-to-drugbeleid