Carolina Wren Attacked by my Cat in the Garage!

i did not realize I had a caroline Wren nesting in my garage. I let me cat out there yesterday and what a mistake that was. He found the wren and tortured her a for a few hours. She lost several feathers.I was able to guide her gently outside. She spent most of her time in my fireplace. I guess she liked the logs!! He mate was calling the whole time outside the window. I think his song led her out the window. I later saw the pair next to each other on a feeder post...Several weeks have passed and I see baby wrens at the feeder.