FRANKFURT—German prosecutors on Friday named Volkswagen AG’s former Chief Executive Martin Winterkorn as a suspect in a fraud investigation as they widened their probe into a diesel emissions-cheating scandal, alleging that Mr. Winterkorn may have known about the issue earlier than he acknowledged. Prosecutors launched the probe on Sept. 28, 2015, days after U.S. authorities disclosed Volkswagen’s emissions-cheating. Initially, Mr. Winterkorn was named as a suspect, but prosecutors retracted his name three days later....

Source: Wall Street Journal January 27, 2017 11:57 UTC