The fourth period or "fourth crisis" began on 7 July 2018, when the IDL-Reporters portal unveiled the CNM Audios, recordings that would reveal alleged offers of penalties, orders and thanks for favors or negotiations for promotions. officials of the National Council of the Magistrature (body of the Public Ministry that would be related to diverse public figures like politicians, industrialists and sportsmen, headed by the lawyer César Hinostroza), this would cause the called "marches against the corruption" that demand "that go away all" referring to politicians in general and to the congress in particular. The ongoing president of the Republic Martin Vizcarra during his speech for national holidays said he will convene a referendum on the non-re-election of congressmen and members of the Magistracy. The referendum took place and caused relative calm with the victory of the Vizcarra official position.