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Finance

Swiss bank worker on trial over Mozambique's 'tuna bond' scandal

Published by Global Banking & Finance Review

Posted on May 19, 2026

2 min read

· Last updated: May 19, 2026

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Swiss Bank Worker on Trial Amid Money Laundering Claims in Tuna Bond Scandal

Money Laundering Trial Linked to Mozambique's Tuna Bond Scandal

ZURICH, May 19 (Reuters) - Switzerland on Tuesday opened a money-laundering trial linked to Mozambique's "tuna bond" scandal, focusing on a former Credit Suisse compliance officer after the responsibility of more senior bankers could not be established. 

Loans arranged by the lender helped push the African country into bankruptcy a decade ago, years before Credit Suisse itself was hit by crisis and was eventually bought by UBS in a state-engineered emergency takeover in 2023. 

Key Details of the Case

Here are some details: 

Allegations Against the Compliance Officer

• The compliance officer is accused of money laundering for arranging the transfer of more than 600,000 Swiss francs ($764,000) of criminal origin to Abu Dhabi in 2016, frustrating efforts to locate or confiscate the funds.

Bank's Reporting and Internal Investigation

• The bank did not file a suspicious activity report with Switzerland's financial crime unit at the time, doing so only in 2019 after details of the scandal emerged in U.S. criminal proceedings, according to the indictment.

• While Credit Suisse's internal money-laundering investigation had top management attention, executive board members inadequately instructed and supervised compliance staff, the indictment added. Prosecutors could not attribute responsibility for this to an individual, it said.

Legal Proceedings and Outcomes

• Switzerland's Criminal Court in April discontinued proceedings against UBS over the Mozambique scandal, saying Credit Suisse ceased to exist as a criminal-law entity with the 2023 merger, in a decision that can be appealed.

Fines and Challenges

• The Swiss finance ministry last year fined Lara Warner, Credit Suisse's former compliance chief in relation to the Mozambique case, a decision which she has challenged.

($1 = 0.7852 Swiss francs)

(Reporting by Ariane Luthi. Editing by Mark Potter)

Key Takeaways

  • A former Credit Suisse compliance officer is on trial in Zurich for allegedly laundering over CHF 600,000 linked to Mozambique’s tuna‑bond loans in 2016.
  • UBS cannot be held criminally liable for Credit Suisse’s role in the scandal following a Swiss Federal Criminal Court ruling on April 8, 2026.
  • In March 2025, Lara Warner, ex‑compliance chief, was fined CHF 100,000 for failing to report a suspicious CHF 7.9 million transaction tied to the scandal — she is appealing the fine.

Frequently Asked Questions

What is the Mozambique 'tuna bond' scandal?
The Mozambique 'tuna bond' scandal involved loans arranged by Credit Suisse that contributed to Mozambique's bankruptcy a decade ago.
Who is on trial in Switzerland regarding this scandal?
A former Credit Suisse compliance officer is on trial for allegedly laundering over 600,000 Swiss francs in connection to the scandal.
What were the charges against the former Credit Suisse employee?
The former compliance officer is accused of money laundering by arranging transfers of criminal funds to Abu Dhabi in 2016.
What happened to Credit Suisse after the scandal?
Credit Suisse was acquired by UBS in a state-engineered emergency takeover in 2023. Proceedings against the bank were discontinued as it ceased to exist as a criminal-law entity.
Were any Credit Suisse executives held responsible?
Although the internal investigation had top management's attention, prosecutors could not attribute responsibility to any specific executive.

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