Sorry Xenophonz, I misunderstood your question.

Criminal laws are defined by the member countries. There is no EU criminal law.

When it comes to fighting crime, the EU countries work together. There's something like an international arrest warrant, and police data can be shared among countries.

EU 'law' mostly concerns international issues of an economic nature, such as anti-cartel regulations.

The pen is mightier than the sword. But if you literally want to have some impact, use a typewriter

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