You decide the trucks are the place to go. As you prepare to sneak over, you overhear a female storage manager talking about how they need a new driver for one of the trucks going out tomorrow morning, as they recently fired their old one.
This could be a good opportunity. If you got that job you could have access to a full truck load of secrets without having to break your way in. but on the other hand it'd be real risky to just walk in unannounced when your already trespassing, you could probably easily find a time to jump in.