criminal investigation into whether the former ceo of vw is guilty of fraud for essentially selling vehicles that were manipulated to pass these emissions tests. and now cnn is also learning that these top volkswagen managers knew the scheme was going on as early as 2007. a german newspaper obtained a letter from a german company which delivered that software to vw. that company warned that this software which the automaker used to cheat emissions standards was illegal and was only supposed to be used for testing, not for normal driving. now, we are talking about some 11 million vehicles worldwide impacted. the automaker just revealing today that audi a3 models are on the list of effected vehicles along with the others you see on your screen there. prosecutors are also investigating vw employees. and we're talking about serious