Main Page | See live article | Alphabetical index Main Page | See live article | Alphabetical index Yip Kai Koon Yip Kai Koon is a famous Hong Kong gangster who was most active in the early 1980s. He and his gang specialized in robbing jewelry stores with assault rifles. The grand total worth of all his stolen goods are estimated at $20 million. Koon achieved notoriety by escaping police custody multiple times. His career finally came to an end when he was crippled in a gun fight with police. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.