Rupert Stadler, chief executive officer of Audi AG, was arrested in Munich Monday morning on suspicion of fraud, according to German prosecutors.

The CEO, who took the helm at Audi in 2007 after joining the company in 1990, was taken into custody following a years-long probe into Volkswagen Group’s emissions cheating. While the automaker has already paid a steep price at home and abroad for its defeat device-equipped diesel engines, today marks the highest profile arrest so far in the ongoing investigations.

According to German media, prosecutors claim Stadler poses a flight risk, meaning he’ll remain in custody for the time being. (Read More…)