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The latest: What we know about the Austin bombings

Annalisa Merelli
The latest: What we know about the Austin bombings

Update (8:26amET March 20) This story has been updated with news of the FedEx blast in Schertz, Texas. There have been four mysterious explosions in Austin, Texas this month, and not much beyond the human toll is known for sure. Police say they are investigating the incidents that have killed two people and injured four…