Ex-boxer fights US government over legality of Sky ECC cryptophone intercepts

[Pelican Press 0]

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Ex-boxer fights US government over legality of Sky ECC cryptophone intercepts

Lawyers representing a former boxer charged with serious ***** trafficking offences are challenging the legality of the US government’s use of intercepted messages obtained by a ********* police hacking operation against the world’s largest cryptophone network.

The former heavyweight boxer from Montenegro, Goran Gogic, faces charges over his alleged involvement in the import of large quantities of ********. His lawyers accuse prosecutors of bypassing US legal protections by relying on overseas partners to conduct surveillance.

The case will test the validity of evidence obtained by French law enforcement from the hacking and mass interception of 170,000 users of Sky ECC phones in a ****** operation with Belgian and Dutch police in the US courts.

Joseph Corozzo, a lawyer for Gogic, said the case is the first time legal arguments used to exclude evidence obtained through the ******** of individuals outside of the US have been applied in an attempt to exclude overseas intercept material.

Corozzo said his client, as a non-US citizen, did not benefit from Fourth Amendment protections against government surveillance under the US Constitution.

“If he were a US citizen, we feel strongly that the court would suppress [the intercept material] very quickly. Since he is a non-US citizen, it’s a greater burden to us to establish all the factors involved,” he added.

US prosecutors argue that the intercepted text messages used as evidence against Gogic in the case are “broadly similar” to the communications data that the government regularly receives from telecoms and social media companies in the US.

Even if Gogic did have rights under the Fourth Amendment, the conduct of French law enforcement agencies in seizing the data “does not shock the conscience” and the US did not act with “an intention to evade the constitution”. they claim.

Operation Argus

Sky Global, a company with headquarters in Vancouver, Canada, began developing encrypted phones in 2008, which were later sold through a network of distributors and resellers.

Dutch and Belgian police seized Sky ECC phones in ***** raids in 2016

Belgian police began investigations into the use of Sky ECC phones by organised ********** in 2016, after seizing the encrypted phones in a ***** trafficking operation in the port of Antwerp. Dutch police began parallel investigations following their own seizures of Sky ECC phones.

By late 2018, Sky ECC was gaining international attention, and more than 20 police officers from the US, Canada, Australia and Belgium

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to discuss ways of breaking the Sky ECC encryption.

French investigators began intercepting encrypted messages from Sky ECC in June 2019. A breakthrough by Dutch technicians who discovered how to decrypt the platform led to the live interception and decryption of all Sky ECC messages from February 2021.

French, Belgian and Dutch police launched an “action day” against Sky ECC users on 9 March 2021, making large numbers of arrests, searches and seizures in the three countries. The operation, dubbed Operation Argus, led to the interception of one billion messages.

***** imports

Gogic was arrested in Miami in October 2022 and faces charges under the US Maritime ***** Law Enforcement Act.

His arrest came after police seized a shipment of 18 tonnes of ******** in Philadelphia, in an operation described as one of the largest ******** seizures in US history.

The case stems from federal investigation into a “vast network” of international narcotics traffickers who smuggled ******** from South America to the US and Europe in commercial container ships.

Tacit agreement between US and Dutch

Gorgic’s lawyers argue in a “motion to suppress” that US investigators engaged in “forum shopping” to circumvent US law and constitutional protections.

They claim the US put its own investigation into Sky ECC on hold to obtain intercept material from France that would otherwise be inadmissible in the US.

An internal French police report shows that during a meeting in Europol in May 2019, Belgian and Dutch investigators learned that the US intended to arrest Sky’s executives, based in Canada.

However, the US agreed with the Dutch to suspend US investigations until after ********* police forces completed their investigation into Sky ECC.

“A tacit agreement between the ********* and Dutch authorities allowed the ********* investigations to continue, with the Americans suspending further operations pending the outcome of ongoing investigations,” the report states.

Belgium, France and Holland closed their investigation into Sky ECC in March 2021, making multiple arrests and seizures of drugs and firearms.

Three days later, US prosecutors indicted Sky Global’s ********* CEO, Jean-Francois Eap, and a former phone distributor, Thomas Herdman, for racketeering and knowingly facilitating the import and distribution of drugs and the ***** of encrypted communications devices. Their cases have not been heard in court.

The FBI seized Sky Global’s website in March 2021

By receiving intercepted material from France, rather than carrying out its own interception, the “US could maintain the façade of keeping its hands clean during the interception and then receive the same evidence anyway through requests for mutual legal assistance”, Gogic’s defence lawyers claim.

They point to evidence that Dutch police carried out a similar forum shopping exercise by obtaining intercept material from France that would not be admissible if carried out under Dutch law.

According to a Dutch court document, in 2019, a Dutch magistrate refused an order to seize full copies of the Sky ECC servers as “it could not be established that the users of Sky ECC were using the system exclusively for ******** purposes”.

The magistrate found that because there was no concrete suspicion against individual users, it would be “too far reaching” to grant unconditional permission to search the messages of all Sky ECC users.

Dutch police ultimately obtained intercepted messages of all incoming and outgoing communications from Sky ECC from French law enforcement.

Gogic’s lawyers claim that the Dutch authorities “successfully circumvented the Amsterdam investigative judge’s 2018 denial of their application to copy the Sky ECC servers by getting the same relief they had been denied from a different venue: France”.

Gaps in chain of evidence

Defence lawyers are also pressing US prosecutors to disclose all documentation of how the US obtained Sky ECC data from ********* law enforcement.

According to the motion, filed in the Eastern District of New York, “a major problem from an evidentiary standpoint is that digital data is at a significantly higher risk of (intentional) manipulation or (unintentional) alterations”.

An expert who examined spreadsheets of intercepted messages provided by the US has found evidence that the files were modified on multiple dates.

The motion claims there are thousands of missing media files and numerous other anomalies in the data supplied by US prosecutors.

Defence lawyers are pressing US prosecutors to disclose the underlying raw data and “

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” that would allow experts to check that data provided in evidence had not been modified.

They point to a

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a judge acquitted 28 defendants after finding the leaked documents that formed the basis of the charges against them did not comply with digital evidence principles, and lacked the “hash values” necessary for verifying the authenticity and accuracy of digital data.

Dutch developed AI software to analyse Sky ECC

Dutch police developed AI software known as Chat-X to access and analyse intercepted messages. According to Dutch lawyer

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, the artificial intelligence (AI)-based software was used to search millions of intercepted messages for keywords associated with threats to life, and later to automatically identify chat messages referring to money laundering and other *******.

Chat-X also provided access to metadata, including the location from which a message was sent, the International Mobile Equipment Identity (

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) number (a unique identifying number for each handset), the Access Point Name (

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) and the

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(a unique identifying number for each SIM card).

Defence lawyers claim that the US government has ******* to disclose the metadata from the messages used as evidence in the case, which could be used, for example, to establish whether Gogic was present when the messages were sent. They have also asked the court to order the disclosure of the Chat-X software.

Silver platter doctrine

US law allows evidence supplied by other countries to be used in US courts under the “silver platter doctrine”.

But defence lawyers argue that the interception of Sky ECC amounted to a “global fishing expedition” and that there was no probable cause to suspect every one of the individuals placed under surveillance of criminality.

The fact that Sky ECC phones were sold for cash by dealers who met clients in person, they say, “does not establish reasonable suspicion, let alone probable cause, that ********* activity is afoot”.

Government did not evade constitution

Prosecutors argue that the Fourth Amendment does not apply to searches and seizures made against non-US nationals on foreign soil.

Even if it did, the conduct of French law enforcement agencies in seizing the data from Sky ECC “does not shock the conscience” and was upheld by French courts.

There is “no plausible” claim that the “government cooperated with the Europeans with the intent to evade constitutional requirements”, according to a prosecution motion.

The most the facts show is that the US extended a courtesy to ********* law enforcement by delaying overt investigation and enforcement actions that could harm the ********* investigation.

That is not a case where ********* officials use foreign officials to intercept phone calls made from the US to a foreign country to circumvent constitutional requirements that would apply if the same phone calls were intercepted in the US, they say.

A sworn statement from the law enforcement officer who received the data from France would be all that is needed to prove its authenticity.

Questions around “chain of custody” should only have a bearing on the weight of evidence, not its authenticity, according to the prosecutors. “There is no reason to believe that materially different data exists, nor that it would be favourable to the defendant if it did,” they added.

Corello said US prosecutors were following the same argument as prosecutors in Europe – that the court should honour the prosecutorial activities of France based on the French court’s finding that the conduct was permissible. 

“They’re not addressing in any fashion the issues of reliability and chain of custody,” he added.

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#Exboxer #fights #government #legality #Sky #ECC #cryptophone #intercepts

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