Despite the increasing use of digital payment methods, cash is still king in many economies – including criminal economies. It remains the most-used payment option across Africa, the Middle East and Latin America, and accounted for over USD 7.6 trillion in consumer expenditures throughout 2022.

That’s a challenge when investigating financial crimes. How can you “follow the money” without records of bank transfers, debit or credit card payments, or digital wallet transactions?

This Quick Guide explains the specific challenges involved in conducting financial investigations in a cash economy. It outlines how law enforcement can use traditional investigative methods to successfully uncover the financial affairs of a suspect.

About this Quick Guide

You are free to share and republish this work under a Creative Commons BY-NC-ND 4.0 Licence. It is part of the Basel Institute on Governance Quick Guide series, ISSN 2673-5229.