If desired, they can be tracked. If the FBI joined in this case and community will help him , then surely the scammers will find
ofcourse if we know who did it and we can prove it so the authorities can put him in jail.
but the problem is do we know him?
you said FBI? why FBI want joined in this case? what made them to do it?
it will require a lot of resource and cost.
who pay them to do that? because hunting them it is not that simple.