First one contacted in respect to Mr. Mark P. Dillon(Head of the Information & Evidence Unit at International Criminal Court) will be INTERPOL organisation

And then will brake down information even to state police departments(Netherlands and Ireland) in respect to this individual.

https://www.interpol.int/ more precisely https://www.interpol.int/Forms/Corruption_StAR_Initiative

Actually, human trafficking and terrorism are their main concern.

Related to http://ausertimes.blogspot.com/2018/12/mark-p-dillon-head-of-information.html