Pracheen Finger Prints

An 2000 year old Egyptian mummy is found in a casket under the dead body of a watchman located amidst a restaurant. Cops realize that no one has a clue about how did the watchman end up inside the casket. To make matters worse the manager claims that there was no mummy inside the casket. As the case proceeds further cops discover that the fingerprints of the 2000 year old mummy matches with a gangster who is alive. How can this be possible? Will cops be able to crack this case.?