In December, he was in a cell at Arganda del Rey courthouse awaiting trial when officers got a fax purportedly from a regional court. It was followed by a phone call purportedly from a court official, corroborating the release order.
Officers tried to verify the order, but their calls went unanswered. When a second call was received confirming Serna's release, he was freed to a waiting taxi.
Police said Serna used the same trick to escape from Valdemoro jail in October.
Link | Photo by Flickr user Collin Anderson used under Creative Commons license