The Intercept is a Fearless, adversarial journalism.
Today they released a article named

A Secret Catalogue of Government Gear for Spying on Your Cellphone

I’m really not into this kinda sh*ts but we need to know what the fuck is going on around us.

More readings

How to intercept mobile communications (calls and messages) easily without hacking

https://theintercept.com/document/2015/12/17/government-cellphone-surveillance-catalogue/
http://www.wired.com/2015/10/stingray-government-spy-tools-can-record-calls-new-documents-confirm/
https://oversight.house.gov/wp-content/uploads/2015/10/15-3959-S2-DHS-Signed-Policy-Directive-047-02-Use-of-Cell-Site-Simulator-Tech.pdf
http://www.wired.com/1996/02/catching/