Lee Wenham planned what would have been the world's largest jewel heist, targeting De Beers diamonds valued at more than $500 ...

Lee Wenham plotted the world's largest jewel heist. He shares how he planned it, did surveillance, and studied the gems' security.

De Beers’ senior VP of tech development, Sarandos Gouvelis, provides an in-depth rundown of DiamondProof and why it can be in ...