Investigators are seeking to determine the role of several employees working with Mayor Grégory Doucet (EELV) and his deputies. Around ten project managers were interviewed, their telephones, computers and job descriptions were inspected.

In February 2021, the Lyon right questioned the executive on the number of project managers employed and counted around twenty. The Auvergne-Rhône-Alpes region is currently the subject of an investigation by the national financial prosecutor's office into several jobs in its office.