One person was injured at a site where an incendiary device was located Tuesday night in Austin, Texas, but the Bureau of Alcohol, Tobacco, Firearms and Explosives said no package bomb was involved and the agency doesn't think the incident is related to the string of package bombs that has hit Austin four times and San Antonio once.
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Police used store receipts and internet searches to identify Austin bombing suspect
As police in Austin, Texas, desperately searched for the person who had left explosive packages all over the city, killing two people, they realized that the bombs had something in common: they were being made from common household ingredients. So investigators hit the area's stores, scanning receipts and looking for clues.

