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Cocaine by Mail: How an Innocent-Looking Postcard Was Exposed in Potsdam

Why Postal Drug Shipments Are Hard to Stop

Customs cannot inspect every letter, so risk-based checks are needed to catch suspicious shipments.

Published: April 22, 2026
Cocaine by Mail: How an Innocent-Looking Postcard Was Exposed in Potsdam

Answer

Why is it difficult for customs to stop drug shipments sent by post in Mallorca and across Europe?

Postal checks rely on risk indicators rather than opening every envelope, so small shipments can slip through if they look ordinary. Customs may focus on sender details, weight, destination and unusual packaging, but smugglers keep adapting to avoid detection. That makes targeted checks and data analysis especially important.

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