Russenmafia [Russian Mafia]

The Russian Mafia is in town. They are violent, have no scruples and are involved in illegal businesses. Only power and money matter to them. Blackmail and violence are the order of the day in the Russian mafia. In their living quarters they hide something so valuable that they cannot live without. Can you find out what it is? You have exactly one hour to turn your quarters upside down, because that's how long the Russian Mafia will be out of the house.