...was found Sunday in Nebraska, and 18-year-old man was arrested in the prank, the U.S. Postal Service said. Roger Humphries, a postal service spokesman, declined to describe the latest devices. The Postal Service doesn't want to deal...

...clear look inside. That request was lifted Wednesday morning because authorities believe Helder acted alone, said Roger Humphries, a U.S. Postal Service spokesman in Omaha, Neb. "We have no indication of any more bombs out there, and we...