Officers thought to have identified supposed ringleader of jewel thieves . The police said they were investigating a series of robberies in the city and had arrested two men on suspicion of being involved in one robbery. Novel is based on real-life bank heists carried out the late 80s in LA . Hole In The Ground Gang used drills to bore into vaults in 1986 and 87 .
Officers thought to have identified supposed ringleader of jewel thieves . Meanwhile criminologist suspects raid was inspired by plot of crime novel . Novel is based on real-life bank heists carried out the late 80s in LA . Hole In The Ground Gang used drills to bore into vaults in 1986 and 87 .