[Fighting Irish]

If it's a terrorist cell doing this then they have the $$$ for the kind of toys it takes to bounce calls in a manner that the call won't be traced.

Time for a Red Herring.

[eno_]

If it's a terrorist cell doing this then they have the $$$ for the kind of toys it takes to bounce calls in a manner that the call won't be traced.

If the phone number is a U.S. number or in other modern nation, fuggedaboudit. Calls from/to/through it WILL be traced.

OTOH, if it is off some ancient Strowger switch exchange in Indonesia...