It is prohibited by the nation's Constitution which overrules all contained regions. The contained regions can add further restrictions, not lower them.
The Supreme Court has over multiple cases recognized that the collection of mass digital information can implicate Fourth Amendment protections.
Here is the foundational line:
> "The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized."
It clearly says: The right of the people to to be secure in their persons and effects against unreasonable searches shall not be violated.
Maybe so, but four physical trucks, interpreting physical radio waves in their immediate vicinity, allocated across the whole state of Texas… that’s “targeted,” not “mass.”
I'm pretty sure you're misunderstanding the definition of "targeted". It has nothing to do with the total capacity of the system, it's about the ability differentiate a specific target from everything else.
The design of these systems is the opposite of that: they're intended to intercept everything within their reach. The fact that with only four devices, their reach isn't (yet) so great has no bearing.
It’s the “within their reach” that constitutes the targeting, it seems to me. Maybe “particularized scrutiny” is a better word?
Each fancy radio can only be in one place at one time, and presumably with a human operator in the vehicle or wearing the backpack. Which emulates a cell station, not all tens of thousands of them in the state simultaneously.
That feels much more like “DUI checkpoint checking all cars on this road at this time,” or “canvassing the neighborhood around the crime,” or “the stadium operator invited the cops into the security office to watch their CCTV feeds during the big game.” Precipitated on some reason—maybe not the specific human, but something that’s different about that place and time that warrants a human targeting their attention there.
As opposed to the network-level, “all communications between all people all the time just in case” that constituted the “mass” surveillance that Snowden described (and Flock has since innovated and extended to the physical world).
If I install one great big Dr Evil dish that records all web traffic in texas, that would be mass. I have no idea how far these vehicles surveil, but I'm guess it's very far.