The officer appeared on the radar of the investigative services through the analysis of intercepted messages from the Encrochat encryption service, whose computer server was seized in France on June 12, 2020. This happened after the investigation team had been following the communication between the officer and external parties since April 1, 2020.
This led to the largest Dutch criminal investigation ever.
Murders
Read more at:
https://nltimes.nl/2021/03/06/larges-dutch-criminal-investigation-finds-corruption-among-amsterdam-police