Dozens of Homeland Security investigation agents and local police officials carried out searches at two midtown Tucson homes early the morning of Jan. 19, 2023. They were concerned about the importation of suspicious chemicals and a possible public-safety threat. Video by Tim Steller / Arizona Daily Star
Tim Steller
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The powdered chemical was being transported Thursday morning from a residence and warehouse in Tucson, where it had been sent in recent months in a series of suspicious packages from China, officials say.
