Which of the Followings Aspects of International Law Would Enable

Which of the followings aspects of international law would enable a cyber-criminal operating across borders to evade prosecution?

A) Lack of technology to identify the origin of a security attack
B) Non-recognition of commission of a security-related crime
C) Unwillingness of developed countries to share technical know-how with lesser-developed countries
D) Non-existent extradition agreements between two countries
E) Technological incompatibility between the two countries