You got a new job as security. Easy peasy, just watch who comes in and out of the service and note it.

People warned you that some crazy individuals would pop up trying to make a way in. You couldn't let that happen or you would lose your job

You had let Francis in, the Milkman. However a guy looking just like him, however a bit more mysterious pops at your balcony

"I'm Francis, here to deliver the Milk"