Authorities in confirm the Austin bombing suspect is dead. Investigators say the 24-year-old man suspected in a string of bombings this month blew himself up as Austin Police and FBI agents moved in to arrest him early this morning. Officers and agents tracked the suspect to a hotel in Round Rock. They say that's where he killed himself. Authorities used information collected after the suspect shipped an explosive device to a FedEx store. The information included security video and store receipts.