It requires internet service providers to monitor users for piracy of copyrighted music and video and send warnings to violators.
And the systems could be configured to send warnings to owners by e-mail or cellphone when signs of trouble were detected.
The French government has created a smartphone app designed to send warnings directly to people's phones in the event of a bombing, shooting or other disaster.
The group used the mined information to send warnings via text message, saying "we will make Gaza a graveyard for you and your soldiers and we will turn Tel Aviv in to a massive flame," according to the website.
In Munich, where a 15-year-old girl wearing headphones was recently killed by a tram, certain particularly dangerous crossings were fitted with special beacons that send warnings to smartphones enabled with a corresponding app, called Watch Out!
The F.B.I. also charged that Mr. Roth had been advising Mr. Jaffe on ways to avoid being caught as he sought to send warnings to Moscow that elements of the American right wanted to shift to a policy of enmity toward the Soviet Union.
