Where I work, each cleaner gets a badge, just like the engineers. Presumably she gave her badge to a random other person, aka her boyfriend, so he could let him

Where I work, each cleaner gets a badge, just like the engineers. Presumably she gave her badge to a random other person, aka her boyfriend, so he could let himself in. Nothing stops me from doing that as an engineer either, but it would absolutely be a firing offence if caught.