Like for example: a drug raid, or they’re accusing you of illegal hacking, or some sort of TheSilkRoad type of stuff.
Assuming the original investigation find no evidence and leads to no charges, could they use the pirated content that you have as a last ditch effort to get you in prison? Not distributing, just personal use.
Not limited to any specific jurisdiction, just want to know what happens in general.
It depends on where you live. In Germany they can use whatever they find in a raid against you. So you could get additional charges.