Unfortunately with spoofed numbers it is, from what I've heard, incredibly difficult to track. The carrier that terminated the call to your carrier is likely no

Unfortunately with spoofed numbers it is, from what I've heard, incredibly difficult to track. The carrier that terminated the call to your carrier is likely not the originating carrier (the one that initiated the call) so it could involve subpoenas to many carriers to find the originator, which you then have to subpoena for the customer information.