There has been a spate of threats since a Virginia Tech student killed 32 people on campus Monday before taking his own life.
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HOUSTON -- Breaking News--A building at the Johnson Space Center was evacuated Today after a man with a weapon was reportedly inside, KPRC-TV reported.
Johnson Space Center security officers and Houston police, including a SWAT team, were dispatched to the scene
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University of Minnesota was evacuated for a Bomb threat Yesterday --nothing was found, school is open today!
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Jeffery Thomas Carney allegedly threatened a school attack in Yuba City, Calif., that he said would dwarf the Virginia Tech attacks, has turned himself in to authorities.
Because of the threat, officials canceled classes and activities for Friday at school districts in Yuba and neighboring Sutter County, as well as at Yuba College.
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A Web designer is accused of posting a bogus threat to kill 50 San Diego State University students.
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And a high school student in Federal Way, Wash., was arrested after authorities said he brought three loaded guns and extra ammunition to school.
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Law enforcement officials say at least a dozen people have been arrested or are being investigated for the threats that began only hours after the shootings
