Hemisphere remains a prime example of how private corporations and the government team up to help themselves to our digital lives, and the lengths they will go to to cover their tracks.
This is an insane article and should be brought to the attention of everyone who cherishes their freedom and abhors collusion between Big Tech and Big Government.
The EFF, after years of concerted efforts, has finally succeeded in suing the DEA, resulting in the release of numerous records concerning the “Hemisphere” surveillance program.
The government, on the other hand, only succeeded in dragging out the fake secrecy.
In late 2013, right as the world was already reeling from the Snowden revelations, the New York Times revealed that the AT&T gives federal and local drug enforcement investigators access to a phone records surveillance system that dwarfs the NSA’s. Through this program, code-named Hemisphere, police tap into trillions of of phone records going back decades.
It’s been five long years of privacy scandals, and Hemisphere has faded somewhat from the headlines since it was first revealed. That was long enough for officials to rebrand the program “Data Analytical Services,” making it even less likely to draw scrutiny or stick in the memory.
Here’s a refresher on how it works:
“Through the Hemisphere program, AT&T assists federal and local law enforcement in accessing and analyzing its massive database of call detail records (CDRs)—information on phone numbers dialed and received, as well as the time, date, and length of call and in some instances location information. More specifically, Hemisphere has access to telecommunication “switches” operated by AT&T that guide telephone calls. Because other providers use AT&T “switches” for their calls, the database contains call detail records regardless of carrier. The database has records concerning local, long distance, cellular, and international calls.”
As shocking as this program was when it was first revealed, the secrecy surrounding it was just as outrageous. The media reported that law enforcement agencies are instructed to bend over backwards to keep Hemisphere from the light of day. That includes leaving the detail of its use out of arrest reports and court proceedings.
Through a technique known as “parallel construction,” after using Hemisphere, cops devise a second, more conventional way to obtain the information, and put that reverse-engineered method down on paper. The result is that law enforcement lies about the origins of its investigative methods, which also prevents individuals they target from knowing about, much less challenging, the surveillance.
Our lawsuit resulted in the release of most of the document (and many others), which revealed an indignant law enforcement official going to lengths to describe how the Hemisphere program is legal and not like the NSA’s call records program that was also under fire at the time. The author argued that the idea that law enforcement “collectively did something wrong” was “furthest from the truth.”
However, the official actually succeeded in raising even more alarms by referring to it as a “Super Search Engine” and a “Google on Steroids.” As we wrote shortly after we discovered the email:
Such descriptions confirm EFF’s worst fears that Hemisphere is a mass surveillance program that threatens core civil liberties.
The program poses severe Fourth Amendment concerns because police are obtaining detailed private information from the call records and learning even more about people’s social connections and physical movements based on pattern analysis. Federal officials do all of this without a warrant or any judicial oversight.
But beyond the Fourth Amendment problems, Hemisphere also poses acute risks to the First Amendment rights of callers caught in the program’s dragnet. Specifically, Hemisphere allows police to see a person’s associations, shedding light on their personal connections and political and social networks. It’s not hard to see such a tool being trained on activists and others critical of law enforcement, or being used by the government to identify entire organizations.
While these tactics were not enough to keep the existence of the program secret, all information indicates that law enforcement continues to hide its use in criminal cases. If you believe that Hemisphere may have been used in your case, please reach out to firstname.lastname@example.org.
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