Promising enormous returns on a "work from home" opportunity selling their TelexFree phone service, Carlos Wanzeler and James Merrill entice close to one million people around the world to spend, and then lose an extraordinary $1.7 billion in the largest pyramid scheme ever prosecuted in the US.(Original television broadcast: 06-25-2018)Want to binge watch your Greed? The latest episodes at: https://www.cnbc.com/american-greed/