Question: Who led investigation into the legality of apple’s accounting practices during the 2000s?
Disambiguated questions and answers: question: Who led investigation into the legality of apple’s accounting practices during the 2000s in the EU?
Who led investigation into the legality of apple’s accounting practices during the 2000s in the US?
answer: Margrethe Vestager
Senators Carl Levin and John McCain
Natural Questions answer: the EU 's competition commissioner (from the Wikipedia article "Criticism of Apple Inc.")