[quote=Schradinger]
If she's inside the building (you are in a building right?) just have the door mysteriously slam shut.
[/quote]
No, they're just outside a building.
[quote=ImportantNobody]
Their could be a rockslide down the road that she can't quickly pass.
[/quote]
....Whelp, time to turn ghost town into an actual Ghost Town then.