Search for missing Canadian skyrunner on the Matterhorn focuses on phone SIM card

A phone SIM card has become central to the search for Canadian skyrunner Kalie McCrystal, who has been missing on the Matterhorn since Sept. 1.

The 38-year-old was training for an attempt to set a record for climbing up and down the mountain in less than five hours. The Aosta Valley Alpine Rescue service and Italy's financial police in Cervinia are leading the operation.

Rescuers discovered that McCrystal had a second SIM card and are checking how long it remained active. They hope to use that information to narrow down her last position and direct helicopter overflights more effectively.

A group of Polish women climbers provided an important sighting. They said they saw McCrystal descending shortly after midday, just below Pic Tyndall, at an altitude above 4,000 meters. She was dressed lightly, more like a skyrunner than a mountaineer, wearing shorts, a windbreaker, trail shoes and a small backpack.

Rescuers said she was wearing a white jacket, which makes her even harder to spot among the mountain's rocks. Once they gather the remaining information, teams will resume the search. The report says the prospects of finding her alive are extremely low.

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She was wearing a white jacket, and this makes it even harder to spot her on the mountain, among the rocks.