Entries Tagged "cameras"

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More on the German Terrorist Plot

This article is a detailed writeup of the actual investigation. While it seems that intercepted emails were instrumental at several points during the investigation, the article doesn’t explain whether the intercepts were the result of some of the wholesale eavesdropping programs or specifically obtained for this case.

The US intelligence agencies, the NSA and CIA, provided the most important information: copies of messages between German Islamists and their contacts in Pakistan. Three people in Germany were apparently the ones maintaining contact. The first was a man with the pseudonym “Muaz,” who investigators suspected was Islamist Attila S., 22. The second was a man named “Zafer,” from the town of Neunkirchen, who they believed was Zafer S., an old friend of Daniel S., one of the three men arrested last week. According to his father, Hizir S., Zafer is currently attending a language course in Istanbul. The third name that kept reappearing in the emails the NSA intercepted was “Abdul Malik,” a.k.a. Fritz Gelowicz, who prosecutors believe was the ringleader of the German cell, a man Deputy Secretary Hanning calls “cold-blooded and full of hate.”

[…]

While at the Pakistani camp in the spring of 2006, Adem Y. and Gelowicz probably discussed ways to secretly deliver messages from Pakistan to Germany. They used a Yahoo mailbox, but instead of sending messages directly, they would store them in a draft folder through which their fellow Islamists could then access the messages. But it turned out that the method they hit upon had long been known as an al-Qaida ploy. The CIA, NSA and BKA had no trouble monitoring the group’s communications. Two men who went by the aliases “Sule” or “Suley” and “Jaf” kept up the contact from the IJU side.

This is also interesting, given the many discussions on this blog and elsewhere about stopping people watching and photographing potential terrorist targets:

Early in the evening of Dec. 31, 2006, a car containing several passengers drove silently past the Hutier Barracks in Lamboy, a section of the western German city of Hanau. Hanau is known as the home of a major US military base, where thousands of US soldiers live and routinely look forward to celebrating New Year’s Eve in their home away from home. The BfV’s observation team later noted that the car drove back and forth in front of the barracks several times. When German agents finally stopped the car, they discovered that the passengers were Fritz Gelowicz, Attila S. from the southern city of Ulm, Ayhan T. from Langen near Frankfurt and Dana B., a German of Iranian descent from Frankfurt who, when asked what he and the others were doing there, claimed that they had just wanted to see “how the Americans celebrate New Year’s Eve.”

Posted on September 21, 2007 at 4:00 AM • View Comments

London's Security Cameras Don't Help

Interesting article. London’s 10,000 security cameras don’t reduce crime:

A comparison of the number of cameras in each London borough with the proportion of crimes solved there found that police are no more likely to catch offenders in areas with hundreds of cameras than in those with hardly any.

In fact, four out of five of the boroughs with the most cameras have a record of solving crime that is below average.

EDITED TO ADD (10/11): This is a follow-up to a 2005 article.

Posted on September 20, 2007 at 2:03 PM • View Comments

On the Ineffectiveness of Security Cameras

Information from San Francisco public housing developments:

The 178 video cameras that keep watch on San Francisco public housing developments have never helped police officers arrest a homicide suspect even though about a quarter of the city’s homicides occur on or near public housing property, city officials say.

Nobody monitors the cameras, and the videos are seen only if police specifically request it from San Francisco Housing Authority officials. The cameras have occasionally managed to miss crimes happening in front of them because they were trained in another direction, and footage is particularly grainy at night when most crime occurs, according to police and city officials.

Similar concerns have been raised about the 70 city-owned cameras located at high-crime locations around San Francisco.

[…]

Four homicides have occurred in the past 12 months at the intersection of Laguna and Eddy streets—at the corner of the Plaza East public housing development—including the daytime killing of a 19-year-old in May. A security camera is trained on that corner but so far has not proven useful in making any arrests, Mirkarimi said.

Both the Housing Authority and city have many security cameras in the area, and it wasn’t clear Monday whether the camera in question was purchased by the Housing Authority or city. In any case, the camera hasn’t helped make arrests in the crimes, Mirkarimi said.

“They’re feeling strongly that they don’t work,” Mirkarimi said of Western Addition residents’ views of the security cameras. “They’re just apoplectic why they can’t figure out why nothing comes of this.”

He added that he thinks the cameras may have “a scarecrow effect” in that they give residents the feeling they are safer when they actually have little impact on crime.

That’s not a scarecrow effect. A scarecrow is security theater that works: something that doesn’t actually prevent crime, but deters it by scaring off criminals. Mirkarimi is saying that they have the opposite effect; the cameras make victims feel safer than they really are.

Posted on August 17, 2007 at 1:25 PM • View Comments

Security-Theater Cameras Coming to New York

In this otherwise lopsided article about security cameras, this one quote stands out:

But Steve Swain, who served for years with the London Metropolitan Police and its counter-terror operations, doubts the power of cameras to deter crime.

“I don’t know of a single incident where CCTV has actually been used to spot, apprehend or detain offenders in the act,” he said, referring to the London system. Swain now works for Control Risk, an international security firm.

Asked about their role in possibly stopping acts of terror, he said pointedly: “The presence of CCTV is irrelevant for those who want to sacrifice their lives to carry out a terrorist act.”

[…]

Swain does believe the cameras have great value in investigation work. He also said they are necessary to reassure the public that law enforcement is being aggressive.

“You need to do this piece of theater so that if the terrorists are looking at you, they can see that you’ve got some measures in place,” he said.

Did you get that? Swain doesn’t believe that cameras deter crime, but he wants cities to spend millions on them so that the terrorists “can see that you’ve got some measures in place.”

Anyone have any idea why we’re better off doing this than other things that may actually deter crime and terrorism?

Posted on August 6, 2007 at 3:23 PM • View Comments

Truth and Photographs

A really interesting essay on truth and photographs:

In discussing truth and photography, we are asking whether a caption or a belief—whether a statement about a photograph—is true or false about (the things depicted in) the photograph. A caption is like a statement. It trumpets the claim, “This is the Lusitania.” And when we wonder “Is this a photograph of the Lusitania?” we are wondering whether the claim is true or false. The issue of the truth or falsity of a photograph is only meaningful with respect to statements about the photograph. Truth or falsity “adheres” not to the photograph itself but to the statements we make about a photograph. Depending on the statements, our answers change. All alone—shorn of context, without captions—a photograph is neither true nor false.

Posted on July 24, 2007 at 1:52 PM • View Comments

Buildings You Can't Photograph

Very Kafkaesque:

The bottom line is that McCammon was caught in a classic logical trap. If he had only known the building was off-limits to photographers, he would have avoided it. But he was not allowed to know that fact. “Reasonable, law-abiding people tend to avoid these types of things when it can be helped,” McCammon wrote. “Thus, my request for a list of locations within Arlington County that are unmarked, but at which photography is either prohibited or discouraged according to some (public or private) policy. Of course, such a list does not exist. Catch-22.”

The only antidote to this security mania is sunshine. Only when more and more Americans do as McCammon has done and take the time and effort to chronicle these excesses and insist on answers from authorities will we stand a chance of restoring balance and sanity to the blend of liberty and security that we are madly remixing in these confused times.

Here’s the relevent map. It’s the building on the NW/upper-left side of the intersection.

Posted on July 19, 2007 at 2:25 PM • View Comments

Function Creep in London Congestion-Charge Cameras

In London (the system was built for road-fare collection, and is now being used for counterterrorism):

Police are to be given live access to London’s congestion charge cameras—allowing them to track all vehicles entering and leaving the zone.

Anti-terror officers will be exempted from parts of the Data Protection Act to allow them to see the date, time and location of vehicles in real time.

They previously had to apply for access on a case-by-case basis.

I’ll bet you anything that, soon after this data is used for antiterrorism purposes, more exceptions will be put in place for more routine police matters.

EDITED TO ADD (8/16): Well, that didn’t take long.

Posted on July 18, 2007 at 11:40 AM • View Comments

New Harry Potter Book Leaked on BitTorrent

It’s online: digital photographs of every page are available on BitTorrent.

I’ve been fielding press calls on this, mostly from reporters asking me what the publisher could have done differently. Honestly, I don’t think it was possible to keep the book under wraps. There are millions of copies of the book headed to all four corners of the globe. There are simply too many people who must be trusted in order for the security to hold. And all it takes is one untrustworthy person—one truck driver, one bookstore owner, one warehouse worker—to leak the book.

But conversely, I don’t think the publishers should care. Anyone fan-crazed enough to read digital photographs of the pages a few days before the real copy comes out is also someone who is going to buy a real copy. And anyone who will read the digital photographs instead of the real book would have borrowed a copy from a friend. My guess is that the publishers will lose zero sales, and that the pre-release will simply increase the press frenzy.

I’m kind of amazed the book hadn’t leaked sooner.

And, of course, it is inevitable that we’ll get ASCII copies of the book post-publication, for all of you who want to read it on your PDA.

EDITED TO ADD (7/18): I was interviewed for “Future Tense” on this story.

EDITED TO ADD (7/20): This article outlines some of the security measures the publisher took with the manuscript.

EDITED TO ADD (7/25): The camera has a unique serial number embedded in each of the digital photos which might be used to track the author. Just another example of how we leave electronic footprints everywhere we go.

EDITED TO ADD (8/15): Here is a much more comprehensive analysis of who the leaker is:

  • The photographer is Caucasian.
  • The photographer is probably not married (no wedding ring on left hand).
  • The photographer is likely male. In the first few photos, the ring finger appears to be longer than the index finger. This is called the 2D:4D ratio and a lower ratio is symptomatic a high level of testosterone, suggesting a male. However, there is no clear shot of the fingers layed out, so this is not conclusive.
  • Although cameras are usually designed for right-handed use, the photographer uses his left hand to pin down the book. This suggests that the photographer is right handed. (I’ve seen southpaws try to do this sort of thing, and they usually hold the camera in an odd way with their left hand.) However, this too is not conclusive.
  • The photographer’s hand looks young—possibly a teenager or young adult.

Much, much more in the link.

Posted on July 17, 2007 at 4:38 PM • View Comments

Surveillance Cameras that Obscure Faces

From Technology Review:

A camera developed by computer scientists at the University of California, Berkeley, would obscure, with an oval, the faces of people who appear on surveillance videos. These so-called respectful cameras, which are still in the research phase, could be used for day-to-day surveillance applications and would allow for the privacy oval to be removed from a given set of footage in the event of an investigation.

An interesting privacy-enhancing technology.

Posted on June 26, 2007 at 7:41 AM • View Comments

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Sidebar photo of Bruce Schneier by Joe MacInnis.