There may be a solid legal argument that since Flock is operating hand in glove with the government that they effectively are the government within the context of 4A. IMHO, it's not out of the realm of possibility that courts reexamine the government's ability to buy up private data which they would normally be precluded from collecting, and establish limits on their ability to do so.

Is there a whole thing in the U.S. where it’s a no no with regards to cell data without a warrant? This feels like that.

(bear with me, this all comes from random podcasting over the past decade)

When a "private company" is using public land and public money to set up their surveillance devices, it is no longer private.