A development has occurred in the investigation into the jewels of Zapatero. José Luis Calama, a judge at the Audiencia Nacional, has taken action regarding this matter. The judge has offered Hacienda the opportunity to participate in the investigation.

This move indicates that the case is progressing, with the judge involving relevant parties. Further details about the investigation and the judge's decision can be found in the original source, El País. The source provides more information about the case and the judge's actions, offering a more comprehensive understanding of the situation.