The Telegraph.co.uk | Human beings could one day be identified by our smells, according to research that shows individual "odourprints" cannot be masked by diet.

Vanessa Alarcon saw them while working at an antiwar rally in Lafayette Square last month.

"I heard someone say, 'Oh my god, look at those,' " the college senior from New York recalled. "I look up and I'm like, 'What the hell is that?' They looked kind of like dragonflies or little helicopters. But I mean, those are not insects."

Out in the crowd, Bernard Crane saw them, too.

"I'd never seen anything like it in my life," the Washington lawyer said. "They were large for dragonflies. I thought, 'Is that mechanical, or is that alive?' "

Voices of Resistance from Occupied London | There is nothing comparable at all in the U.S. to the apparatus of surveillance that exists in London. Even CCTV cameras are only recently becoming an issue in the U.S. Total surveillance of down town areas of American cities is something I wrote about in the early nineties but only applied to tiny areas, a few acres in down town Los Angeles for example. If Giuliani does become president we will get closer to the idea of having total surveillance and control in the city centre but London is at least one if not two generations ahead of the United States.

A key portion of the Patriot Act is unconstitutional and violates Americans' free speech rights, a federal judge said Thursday in a case that could represent a bitter setback for the Bush administration's attempts to expand its surveillance powers.

U.S. District Judge Victor Marrero said the section of the Patriot Act that permits the FBI to send Internet service providers secret demands, called national security letters, for customer information violates the First Amendment and unreasonably curbs the authority of the judiciary.

The FBI has quietly built a sophisticated, point-and-click surveillance system that performs instant wiretaps on almost any communications device, according to nearly a thousand pages of restricted documents newly released under the Freedom of Information Act.

The surveillance system, called DCSNet, for Digital Collection System Network, connects FBI wiretapping rooms to switches controlled by traditional land-line operators, internet-telephony providers and cellular companies. It is far more intricately woven into the nation's telecom infrastructure than observers suspected.

The FBI bit off some controversy in 2000 when it acknowledged it was using a custom packet sniffer called Carnivore to effect court-authorized surveillance of internet traffic.

Some network operators were uncomfortable with g-men barging in their colo to hang a black box off their network, while civil libertarians chaffed at the bureau's legally adventuresome use of some of Carnivore's features with perfunctory court notice instead of a  full-blown wiretap order.

The feds responded by giving the tool a less-ominous moniker, DCS-1000, and getting the law changed. They later put the tool out to pasture in  favor of commercial solutions.