Two pizzerias near the French-Swiss border had a secret - they allegedly helped launder millions for organised crime.
Earlier this year, five family members were arrested in Saint-Julien-en-Genevois and Haute-Savoie, suspected of working for the mafia.
A third restaurant was also shut down.
French, Swiss, Italian, and German investigators, along with Interpol, spent three years on the case.
Authorities say the suspects used fake salaries for over 300 staff to circulate illegal funds and inflated pizza sales to mask laundering.
The accused deny all charges but are believed to be related to two senior mafia figures.
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