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Arthur T Knackerbracket has processed the following story:
Things continue to change thanks to the Supreme Court’s Carpenter decision. Prior to that, it was assumed the Third Party Doctrine justified all sorts of data dragnets, so long as the data was held by a third party. But that doctrine assumed the data being grabbed by law enforcement was being handed over knowingly and voluntarily. The Carpenter decision pointed out this simply wasn’t true: cell tower location data is demanded from all cell phones in the tower coverage area and location data (along with identifying info about the device itself) was taken, rather than volunteered.
This has led to a number of interesting decisions, including a couple of state-level court decisions regarding mass collections of cell tower location data. Cell tower dumps generate records of all cell phones in certain areas during certain times, the same way geofence warrants work, but using more accurate cell site location info (CSLI).
Now, even with a warrant, courts are finding cell tower dumps to be unconstitutional. In 2022, the top court in Massachusetts said these warrants may still be constitutional, but only if law enforcement followed a stringent set of requirements. Earlier this year, a magistrate judge in Mississippi came down on cell tower dumps even more forcefully, declaring that if geofence warrants (those seeking Google location data) were unconstitutional, then it just made sense warrants seeking more accurate data with a similarly-sized dragnet also violated the Fourth Amendment.
Those rulings are limited to those states (and, in the case of the magistrate judge, likely just limited to his jurisdiction). But now there’s something at a much higher level, which is definitely headed to a showdown at the Ninth Circuit Appeals Court as soon as the DOJ gets around to appealing this ruling. Here’s Matthew Gault, reporting on this decision for 404Media.
The government tried to argue that if the warrant was unconstitutional, it didn’t matter because this really wasn’t a search under the Fourth Amendment. It hinted the Third Party Doctrine applied instead. The court disagrees, citing the expert for the defense, who pointed out not only was the data not voluntarily handed over to cell service providers, but even the de-duplicated list of responding devices turned this into an extremely broad search.
Even if further efforts were made to eliminate false positives, it’s too little too late. A warrant can’t be salvaged because things were done after the warrant had been served and information obtained. It’s a general warrant, says the court, precisely the thing the Fourth Amendment was erected to protect against.
Now, the bad news, at least for Spurlock. Pretty much every judge involved, along with the investigators who crafted the warrant, had almost zero experience in handling cell tower dump warrants. (I suspect that this is because, prior to Carpenter, most law enforcement agencies handled this with subpoenas that weren’t subject to judicial review. On the other hand, this happened in a sparsely populated area where double murders aren’t exactly common, so there may have never been a reason to use one before.) Since everyone appears to be breaking new ground here, the good faith exception applies. No evidence is suppressed.
But this holding stands going forward, which means Nevada law enforcement will need to be a lot more careful when crafting cell tower dump warrants or, better off, avoid them altogether and get back on the right side of the Fourth Amendment’s particularity requirements. Since this requires federal and local law enforcement to be better at their jobs, it’s safe to assume the DOJ will ask for this ruling to be overturned. Until that happens, the law of the land is clear: Cell tower dumps (and geofence warrants) are unconstitutional.
(Score: 0) by Anonymous Coward on Friday May 09, @03:06PM (2 children)
Maybe so.
However, this case is about a warrant. This means,
"You will be giving us this data. You can either 'give' us this data, or we will have people with guns move you aside while we bring dump trucks to remove the servers that hold this data."
Applying threat of force makes a voluntary action involuntary. There's no option when a warrant is presented.
(Score: 0) by Anonymous Coward on Friday May 09, @03:24PM (1 child)
While that's true at the moment of warrant service/execution, if the warrant is actual, valid warrant issued by a real judge in a real court, you really can't stop them at that moment. However, you do have recourse after the fact, as thousands (tens of thousands?) of US criminal lawyers will tell you [aacriminallaw.com]:
As recommended by another eminent legal scholar, Know your rights! [youtube.com]
N.B. IANAL As such I am not *your* lawyer. And I am not Avery Appelman, nor am I affiliated in any way with the Appelman Law Firm (quote from their website above, chosen pretty much at random from a DDG search for "fighting a search warrant". Heck, I'm not even sure where the "952" area code might be (okay, I checked and it's in the Minneapolis/St. Paul metro area, a place I've never even visited).
(Score: -1, Redundant) by Anonymous Coward on Friday May 09, @10:18PM
Sure. After the fact.
After the data was taken, not volunteered. That's largely what's happening here.
Protip: they will come, take your shit, with a warrant, but there are no criminal charges. It's an "investigation". They can "search" your shit for literally ten years before even showing you the content of the warrant (under seal). Instead they show you a court order of what they've come to take. You can't contest it, because there are no charges; nor are you even allowed to see anything - matters of an active investigation are 'sensitive' and the suspect can't be permitted to know why they took your shit. Only once they start prosecuting a crime can you contest a warrant.
Until then.... they get whatever that warrant says they get, until they're good and damn well done searching through it.