Nothing does. But that person will likely have no loyalty to you, and would give every info he has about you to Apple for an additional $100.
You don't need to be NSA level to hide your tracks there, but it's not trivial either. And Apple is likely to work with the FBI/Interpol about that if whatever evil deeds your software does is sufficiently high profile. Theses guys might also not be good enough to catch you - but they have access to the NSA data for parallel construction, allegedly. And the NSA has incriminating evidence against you.
You don't need to be NSA level to hide your tracks there, but it's not trivial either. And Apple is likely to work with the FBI/Interpol about that if whatever evil deeds your software does is sufficiently high profile. Theses guys might also not be good enough to catch you - but they have access to the NSA data for parallel construction, allegedly. And the NSA has incriminating evidence against you.