Here’s what you need to know about the controversy behind the world’s most expensive coffee Scott Lush LifeUncategorized August 10, 2015 Here’s the story and the controversy of the world’s most expensive coffee, Kopi Luwak aka civet cat poop coffee. ABCNews Nightline sent an investigative team with a camera to Bali Indonesia to get the story. Here’s what they found. Moved? Forward this to friends on Facebook and Twitter.