Transcript for Jewel Heist on the French Riviera
An inside look tonight at a jewel -- on the French Riviera millions of dollars in hiding jewels stolen from a luxury hotel. But surveillance reveals it wasn't anything like ocean swell ABC's -- -- and shows us it was a simple plain. This news. Police surveillance video shows one of the world's biggest diamond robberies in history taking place on the French Riviera in July. Make no mistake these is no oceans twelve. Or group the -- meticulously planned and successfully execute sophisticated. Jewelry ice. Call rice -- and now students. When these is -- -- and simple. Watch as the lone gunman casually strolls into the eggs addition and the luxurious Carlton Hotel in broad daylight. He holds a store keepers and unarmed security guards at gunpoint. Snatches 143. Million dollars worth of rings earrings and tendons places -- -- a bag and disappears. You're watching the robbery in real time job done and a mere thirty sections. Larry -- was a professional thief and now advises on how to prevent robberies. When you. Go -- -- into a jewelry robbery you gonna know everything before hand I would be very surprised if they get anything like fingerprints because I used to use. Sometimes crazy glue on the fingertips which is clear all other -- to to smudge -- Which perhaps explains why this man is still at large with French police releasing this video hoping they can finally -- this -- Lama has -- ABC news London.
This transcript has been automatically generated and may not be 100% accurate.