A lawyer involved in the 'caso Koldo' allegedly offered money on behalf of individuals from the PSOE. This claim is part of the sumario de las cloacas, a case being investigated by Leire Díez. The sumario reveals that Leticia de la Hoz reached out to businesswoman Carmen Pano, stating that PSOE affiliates wanted to discuss certain matters with her.

Further details about this case can be found in the original source, El Mundo, which provides more information about the allegations and the investigation.