Free Republic

(CNN) -- A Virginia man has been accused of threatening to place pipe bombs along the Metro transportation system in Washington. According to a federal complaint, Awais Younis, who was arrested December 7, related his plans to someone on the social networking site Facebook. Younis, also identified as Sundullah Ghilzai, told an FBI complainant through Facebook how how to build a pipe bomb "and what type of shrapnel would cause the greatest amount of damage," according to federal authorities.

An Arlington man is accused of threatening to set off bombs around D.C., including in the Metro system, but was caught through messages he sent on Facebook before a plot was developed. Awais Younis, who also goes by Sundullah "Sunny" Ghilzai as well as Mohhanmed Khan, was charged in federal court in Alexandria with making threatening communications. Younis, who was born in Afghanistan, used Facebook to threaten to set off explosives, according to an affidavit for his arrest by Joseph Lesinski, a special agent with the FBI's Joint Terrorism Task Force. Authorities were tipped off to Younis by an unidentified...