Work on the so-called "Barcelonagate" money laundering case, over which former chief prosecutor Ivan Geshev requested the immunity of GERB leader Boyko Borissov, was extremely intense after May 15, 2023. Before that, no procedural and investigative actions were carried out for months, the results of an inspection ordered by the acting chief prosecutor Borislav Sarafov show.

During the first 8 months of the investigation, only 4 witnesses were interviewed. The translation of documents related to the house in Barcelona took nearly a year. After May 15, however, for a month and a half, 17 witnesses were interrogated, two computer-technical expertises were conducted, searches were carried out, requests were made for the disclosure of bank, tax, and social security information, as well as a proposal for lifting the immunity of Boyko Borissov, it becomes clear from a press release of the prosecutor's office.

• GERB leader waives his immunity; does not want to be victim of extortion