Das Artefakt [The Artifact]

Mission headquarters in Berlin has received information that the Illuminati secret society is conducting experiments on an ancient artifact in Salt Lake City, USA. You should find the artefact and bring it to Berlin. When you arrive in Salt Lake City, you stay in a small boarding house across from the suspected house. After a few days, you will have created a schedule of residents: by 12 p.m. at the latest, everyone will have left the house and no one will return before 2 p.m. This gives you a time window of 2 hours for the order, that must be enough! The next day at 12 p.m. the time has come - you set off....