On 23 January 2022, Miriam Mazou was summoned by journalist Sylvain Besson as part of his major investigation into an extraordinary affair in which several personalities were deceived by someone they thought was a financial genius. According to the journalist, Fabien Gaglio “sank” the Hottinger bank. The article appeared in “Le Matin Dimanche” and on the websites of “24 Heures” and “La Tribune de Genève”.