Professor De Leon's Undocumented Migration Project is uncovering the stories behind the thousands of shoes, backpacks and other materials discarded in the Sonora desert and recovered by his team since 2008.

"This is not garbage" he said. "The goal of the project is to rigorously and systematically collect data on the social phenomenon of border crossing using the lens of anthropology to provide insight into the realities of this process."

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