Within the framework of the discipline, there are three types of intelligence of concern for the present
discussion:
(1) Law enforcement (or criminal) intelligence
(2) Homeland Security—also known as
(3) National Security Intelligence.
If an investigator can positively identify an online identity as belonging to a specific suspect, the investigator
might also be able to develop further leads about co-conspirators based on other identities contained in their
friend's network.
To ensure that only relevant and reliable evidence is entered into the proceedings, the judicial system has
adopted the following concept of admissibility: