A person was arrested Tuesday in connection with the series of packages containing explosive materials found at military bases in the greater Washington, D.C., area, a law enforcement official told Fox News.
Several key military locations received similar packages later that day, including the Joint Base Anacostia-Bolling, the White House mail processing center, the Central Intelligence Agency mail processing center, Fort Belvoir, and the Dahlgren Naval Air Station in Virginia.
Officials at Fort McNair told the TV network that the package tested positive for explosive black powder.
The package sent there had an X-ray done, and it indicated what was suspected to be a type of fuse attached, according to Mike Howard, a spokesman for Joint Base Myer-Henderson Hall.
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The FBI determined the packages contained potential destructive devices and appeared to be sent from the same man. And each time, they said, the packages were quickly rendered safe.
Half a dozen defense and intelligence installations around the Washington area had reportedly received suspicious packages early Monday morning.
Officials said black powder was discovered in at least one package along with a fuse, but it was neutralized by the Federal Bureau of Investigation.
The FBI is examining all of the packages. It was rendered safe and the building was cleared about 1:15 p.m. No injuries are reported, ' he added.
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According to WRC-TV in DC, a third package is under investigation at Joint Base Anacostia-Bolling. The FBI is the lead law enforcement agency investigating, he added.
All of the packages differed, although some of them included "disturbing" and rambling letters, and some of them held components used to make explosives.
Several federal officials said they did not believe that any of the packages came from Mark Anthony Conditt, who caused three weeks of terror in Austin, Texas, by placing and sending functioning bombs there.
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It also said the data is used only for analytics using third party service, similar to Google Analytics. Prasad also questioned if the notice given to Cambridge Analytica anxious the Congress chief.