Does she know any commands?? Obediance classes can be a huge help with stuff like this, usually.
Maggie was very destructive about a year and a half ago, and we almost had to rehome her, but, after obediance classes, she got MUCH better. I think part of it was because she was lonely (she didn't get along with Boo boo at the time, and we didn't have Autumn). After we brought Autumn home, she completely stopped, and hasn't done anything since. Being you already have two dogs I'm sure that isn't part of the problem. Does she get along with Zoie and Romeo?
I would do as sanford said, pull up the blinds a little bit. Is there a chair or anything by them? If so, I'd pull that away. Try to keep most things out of her reach, and crate her when you are unable to watch her. Try to teach her that when you say "no" it means "stop" and not to keep about it after you turn your head. Good luck. Sorry I wasn't much help.
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