Comes from anonymous donors [1]. Nothing strange about that.
[1] https://www.nytimes.com/2018/08/21/nyregion/terrorism-nypd-i...
>With offices in 11 foreign capitals and an unpublished budget, the ILP’s far-flung counterterrorism cops operate outside the authority of top U.S. officials abroad, including the American ambassador and the CIA station chief, who is the nominal head of U.S. intelligence in foreign countries.
>The ILP is supported by private donors through the New York Police Foundation, which won't say how much it has given the NYPD, beyond a sentence on its Web page that it sought to raise $1.5 million for the program in 2010. The NYPD itself won't say whether any of its annual $178 million budget for intelligence and counterterrorism goes to posting detectives in Paris, London, Madrid or other posh capitals.
http://voices.washingtonpost.com/spy-talk/2010/11/nypds_fore...
The FBI and the rest of our national security apparatus exist to deal with those issues.
[0] https://www.theatlantic.com/technology/archive/2017/04/csi-w...
This is very real, though.
https://mobile.twitter.com/newyorkyearzero/status/1273754924...
Walmart, on the other hand, isn't exactly a part of USA, and if it needs to spy on somebody, it would have to rely on their own internal capacity.