As it says: unarmed.

Your job as an unarmed guard is to complement the alarm system with your eyes and ears, and if something is amiss, press the alarm button and get out of there. Which is what they did.

The article makes it sound like security was tight, but the museum was, according to news articles at the time, too stingy. If they had wanted to spend the money, they could have had armed guards, physical barriers other than simple glass cases and reinforced outer walls. But they were even too stingy for an insurance, and the insurer might have told them to up their security before taking the contract.

https://www.google.com/amp/s/amp2.handelsblatt.com/politik/d...