Heavy snowfall may have served as a lifeline late Sunday night, as Haines Borough police officer Jason Rettinger tracked a missing 23-year-old’s footprints more than a mile to bring her to medical care.

Eileen McIver, who suffers an autonomic disorder, said she was surprised Rettinger went the extra mile for her. She moved here from Cleveland a few months ago. “The police took the time to track down footprints, and it wasn’t even, like, a…