Just over a week after the Germanwings plane crash, the head of the airline and the boss of parent company Lufthansa have visited the scene.<br /><br /> They say it was important to mourn the victims and thank those helping in the recovery operation.<br /><br /> But they refused to answer any questions about the co-pilot, who seems to have deliberately crashed the plane.<br /><br /> Lufthansa CEO Carsten Spohr said: “We are just very, very sorry that such a terrible accident could have happened in Lufthansa where we put so much focus on safety. <br /><br /> “We are sorry for the losses that occured and there are just no words to express this.”<br /><br /> The heads of the airlines walked away when reporters started asking questions about the co-pilot.<br /><br /> There was no response when one journalist asked: “When did you find the 2009 email from Lubitz (Co-pilot Andreas Lubitz)? Why did it take you so long to publish the emails?”<br /><br /> The airline has confirmed that Lubitz told his bosses in 2009, during his training, about a depressive episode
