Concept:
• Transnational crime involves criminal activities that cross national borders and violate the laws of more than one state.
• Management involves international treaties, regional commissions, and strategic policy frameworks.
Step 1: Analyze formal treaties
The UN Convention against Transnational Organized Crime (UNTOC), often called the Palermo Convention, is the main international instrument to fight organized crime.
Thus, A is related.
Step 2: Analyze regional strategies
The EU Anti-Drug Strategy (C) and specific regional drug commissions (B) are formal mechanisms set up by states to coordinate law enforcement and prevention efforts.
Thus, B and C are related.
Step 3: Identify the non-existent entity
"Global Regime for Transnational Crime (2013)" is not the name of a formal international law, organization, or treaty.
While "regime" is a scholarly term to describe international cooperation, there is no such official body or enacted instrument by that name from 2013.
Step 4: Conclusion
Option (D) is the outlier as it is not a recognized management or prevention instrument.