How does the author catch Lobo in the story, Lobo: The King of Currumpaw, from the collection, Wild Animals I Have Known?

Lobo eludes all traps and baits, until Seton takes advantage of a force stronger than the wolfs cunning: his love of his mate. After killing Blanca, the white wolf, he uses one of her paws to spread her scent over an area of carefully laid traps. In the past Lobo has quickly detected such traps and sprung them. This time, following his mate's scent, he walks into them and is captured.