The alleged head of the Gürtel network, Francisco Correa, arrives for a court appearance.

Making sense of the Gürtel investigation

The judge handling the huge corruption case involving the ruling PP is struggling to close his inquiry The biggest pre-trial probe undertaken by the criminal court, it involves 200 suspects in six regions From Bárcenas' ledgers to refurbishments at PP HQ, EL PAÍS takes you through its multiple strands


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