After a late night at a stock-car race, Carole and Verne King returned to their dog-friendly hotel in Kalispell, Montana, and made a devastating discovery.

Their 7-year-old border collie, Katie, was no longer in the room. She had apparently managed to unlatch the door, possibly spooked by a thunderstorm that had swept through the area. At the front desk, an attendant said she had seen an anxious dog bolt out the front door hours before.

The Kings were stunned. In the town of 23,000 people that backs up to the sprawling wilderness near Glacier National Park, surrounded by forests and

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"Like a crime scene"

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Traps and scents

Possible sightings

Quitting her job

Losing hope

"I got her"