Looting Diamond Necklace Escape

There is a museum located near Florida which is popular for historical diamonds. The Museum is secured by some traps. Only the manager and the security of the museum can access it. One day when the security opens the museum, he found the diamond has got stolen by someone, but the trap is not triggered. He knows the only way to take the diamond is either by him or the manager. So he entered his manager house and searched for the clues to find the Looting Diamond Necklace and return it to the right place before the visitors arrival.