The police arrested a 41-year-old man from Muntendam, a 41-year-old man from Hoogezand, a 50-year-old man from Groningen, and a 43-year-old woman from Groningen at multiple locations. Homes were searched in Groningen, Sappemeer, Hoogezand, and Muntendam. Data carriers were seized for investigation.

Under the direction of the public prosecutor, the investigation continues.