Digging deeper: Up in the air- Christian Michel, dealmaker in AgustaWestland chopper deal, takes flight

On September 19, according to a Reuters report, an Italian appeals court released a detailed judgment specifying why it acquitted AgustaWestland officials of corruption charges in the VVIP helicopter deal with India over eight months ago.

The Milan court said in a 322-page judgment, "There is, conclusively, no evidence of the corrective agreement stipulated according to the imputation, with the foreign public official, just as it requires the incriminating law.”

But what exactly are we talking about? And what is the AgustaWestland helicopter deal all about?