This is the stuff that movies are made of: Over the Easter holiday weekend a gang of up to seven men broke into the Hatton Garden Safe Deposit Ltd. in central London, opened 72 safe deposit boxes, and made off with between $60 and $300 million in gold, jewels, and diamonds. The gang breached the vault by drilling a series of holes through 20 inches of concrete with a stolen Hilti DD 350 diamond coring rig.   Read more.