A businessman, $450,000 and a promise. It all comes together in Part 4, but dealing Diplomatic passports would end up sending shock waves across the political spectrum in Dominica. It started with a single call. And then a snap general election is announced. 

We knew that people were buying diplomatic passports. We even had an idea about how they were doing it. But in order to get the full story, we had to try to buy one. In part three of our investigative series, we send someone undercover to try to purchase an ambassadorship.

Buying citizenship is a surprisingly common practice. Buying a diplomatic passport is next-level. In episode two of our new investigative series, we bring you the story of the Iranian billionaire who bought himself an ambassadorship — and ended up as a cautionary tale in a Calypso song.

Ever wanted a second citizenship? You can buy that — and it's totally legal. But unsurprisingly, the market for passports is rife with corruption. Al Jazeera's investigative team dug into the practice, and discovered more than they'd bargained for. Dive in with the first of a four-part series from our new podcast featuring the network's biggest and most explosive investigations.

Coming soon: the first series from Al Jazeera's new podcast exploring the network's biggest and most explosive investigations. We're diving deep into the illicit sale of diplomatic passports. Hear Episode 1 on November 25.