mosac. >> welcome to panama city, a neighborhood with a lot of law fishes, small businesses and bakes. behind me are the offices of mosav fonseca, the law firm at the epicenter of the so-called panama papers scandal. earlier i had an opportunity to sit down with jergen mosac, one of the founders of the firm, and i asked about the scandal, the impact on business, and whether or not he knew open important political figures had business dealings here. did you know vladimir putin's aides and associates were using the services of fonseca? >> no. when we find out names like putin or like other heads of state, it is always through the media. it means that -- >> did you know that eight members of the chinese politburo were using your services? >> no of course not. >> did you know david cameron's family had used your services? >> no. >> why not? your name is on the front door, isn't that something you would want to know when you're a business owner? >> whenever we find out that there is somebody behind or that through the media, that's how it normally happens, that could be somebody, a person, supposed person, behind a company that was