Last May, Julie Mlinar and her husband, Mark, showed up on the doorstep of a Spring Valley, Minnesota, resident they'd never met, but who they felt like they knew well.
For months leading up to the visit, they'd seen the letters to the editor, the newspaper ads, business cards, posters, and the Facebook and CaringBridge updates by Dave Thouin and his wife, Carol. All carried the same general message: "Navy vet needs a kidney. Please, save my life."
This story originally appeared on the In the Loop blog.