NYPD Warns of Chlorine Terror Risk

February 15, 2008

“Undercover police secretly set up a fake company to demonstrate how easily and anonymously a terrorist could purchase chlorine on the Internet for a deadly chemical strike against the city.

A videotape — presented Wednesday at a briefing of private security executives — discloses for the first time the results of “Operation Green Cloud” — a reference to the yellow-green color of chlorine gas.” (AP)