NEW : It 's become a very valuable tool to the terrorists . '' NYC Police Chief Ray Kelly says that threat may be ` ` Egyptian in origin '' Image shows a cityscape with graffiti ` ` Al Qaeda . Coming Soon Again in New York '' The FBI says ` ` there is no specific or credible threat to New York at this time '' The FBI and the NYPD are investigating the origins of an online threat .
NEW : NYC Police Chief Ray Kelly says that threat may be ` ` Egyptian in origin '' Image shows a cityscape with graffiti ` ` Al Qaeda . Coming Soon Again in New York '' The FBI says ` ` there is no specific or credible threat to New York at this time '' The FBI and the NYPD are investigating the origins of an online threat .