The US Justice Department has filed criminal charges against ex-VW boss Martin Winterkorn, accusing him of conspiring to cover up diesel emissions cheating.
The former chief executive of Volkswagen has been charged by a US prosecutors over the diesel emissions scandal that led to his resignation.
Martin Winterkorn is accused by lawyers in Detroit of conspiring to mislead regulators about the German car maker's efforts to cheat the emissions tests.
The charges, which were filed in March were revealed on Thursday and adds Winterkorn to the list of nine accused former Volkswagen executives.
Two have so far pleaded guilty and are serving time in prison.
The company said it was cooperating with US probes and declined to comment further.