Contreras, the dismissed president of ADIF, was involved in the Koldo case.
Minister Puente promoted Contreras to the position just before the scandal erupted.
Contreras, although not formally charged, participated in meetings with Garcia directly implicating ADIF in the case.
The justification for Contreras's downfall by Ministry of Transport appears to cloak the truth.
There is an irony in that, according to the minister, Spain's train service is in 'the best moment of its history', while at the same time ADIF is involved in this scandal.
Investigations around the Koldo case continue to progress with Minister Puente having responsibility over the events.
Conclusion: Current ADIF figures seem to have sought to minimize their failure and divert attention from the Koldo scandal by dismissing implicated figures without admitting guilt or providing clear explanations.