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What's Really Being Poured Into Your Wine Glass?

How some wine aficionados have been fooled by the greatest wine faker in the world.
6:29 | 07/18/14

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Transcript for What's Really Being Poured Into Your Wine Glass?
In a city that -- salary. -- -- Things can be hard to spot a perfect place for this master -- Young debonair and full of evil from Indonesia and who has these government photos show courted Hollywood. Jackie Chan Lionel Richie Will Smith with his seemingly exquisite taste and knowledge of the world's finest -- His name is Rudy -- a -- Jewish. Generous. And he had did you -- he work Jeremy Sims Kevin good god eating at a house in L -- living high on the hog and being. The toast of the town booty was a regular in the top restaurants at Los Angeles and New York was -- Big big party or Rudy picked up an 85000 dollar tab to. And he did that more than once. And soon Rudy turning a -- -- spread across the line world it's now known as an option. Someone with a rare lines that no one else could find. This is a bottle of -- this 1960 on the -- Pomeroy -- That was basically unseen in the market for about thirty here's. Marine Downey is a line expert who helped unmask Moody's many -- and all of a sudden -- -- of one. Started -- mass producing them and they were available. Kind of like crazy snapped up she says -- status symbols for the rich you know these bravado. Jack asses do. You know my bottles bigger than your bottle. What they did not know is that Rudy is rare wine was not produced and some French chateau fifty years ago. But in this suburban Los Angeles well that Rudy shared with his ailing mother -- -- counterfeiting how -- -- in his kitchen but. -- -- soak the labels off French bottles. Printed up new ones from the find the shadows. And then filled the bottles. Home -- recipe each -- much less expensive wines that fooled millionaires and billionaires for a long time. He was an artist justice -- -- helped break the story of Rudy tourney one in the magazine wine spectator. And the fact that he made this -- in his kitchen. -- -- -- It doesn't -- many people. It's humiliating -- And is not just the wealthy are being embarrassed and -- It turns off the world seems to be a -- in fake lines of all kinds and prices. Just two weeks ago authorities in Italy seized a ship load of fake bottles destined for overseas supermarkets. Police were tipped off by customers who reported the strange bitter taste. They discovered bottles still with about four dollars worth of low quality Chianti -- -- That's to be sold as forty dollars -- Italy's top red line. By some estimates as much as 15 of the wine sold in the world in restaurants and stores is -- not really what's on the label. A consumer scandal that only began to be noticed in the wake of what Rudy -- along was doing his kitchen. And I think in the last decade he's produced well over a hundred million dollars refinery or why. And he had a good things going until -- cross paths with the wrong billion. It's Brian Ross from ABC news you can see Bilko. The man who lives in this oceanfront mansion in Palm -- one of America's wealthiest people. -- -- -- to do something that few billionaires would ever consider. Appear on 20/20 to admit he was a sucker. Sucker for -- walk. Total -- and calling yourself a sucker because you're -- right. Pigeon sucker and whatever they call. The mark. Coke whose billionaire Brothers are known for the money they spend on conservative politics. Is himself known for the money he spends on his passions including wine and art. There's hundreds of millions of dollars worth of art in his living room alone yeah not a single one of them a fake according to his -- The downstairs and -- elaborate ones seller. It is a different story Clinton 121000 bottles and here laid out for us on this table just a few of the Florida 500 bottles of -- line. That Coke says he was tricked into buying by Rudy and other -- this is a thing. That's here's another one AT no fall 1805. Yeah that's it. So it when you bought an 1805 you thought I really buying a piece of history that's right. Exactly it's. I don't know. Was this I spent close to 500 dollars. That's also. -- was blissfully ignorant that he was a soccer -- -- discovered these four bottles that supposedly came from the collection of Thomas Jefferson. But he says we're actually produced by yet another -- in Germany. Tape over a 100000 dollars per bottle. -- 100000 dollars per -- per bottle. Yeah so Coke is gone on the offensive at the very public campaign against wind thing. He went to the FBI and agreed to testify in court against Rudy attorney -- And then launched a series of expensive lawsuits. Are you spending more than -- lost. Damn -- -- -- I've spent over 25 million dollars today. I cannot stand to be achieved that I want someone to know they sell me a fake. And -- come on that trip no matter how much it cost. Have you here as -- admits it's hard to have much sympathy for a man of great wealth whose pardon from his money by a crafty -- -- But as we saw there it's almost enough to make a billionaire cry. Can anyone be worth 825000. Not a model well I mean from your point of -- it -- that much better. You know a normal person -- -- no it isn't but for me. The are up craftsmanship. Excuse me -- colorful if you care about that -- That goes until it is worth that. And asked for routing the -- Levon convicted as what prosecutors called the most successful wind fake in the world. Federal judge in New York will sentence him next month. -- plans to be.

This transcript has been automatically generated and may not be 100% accurate.

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