Introduction
Since its inception, internet has affected society in several ways. Internet connects people to the world and makes our life easy. It facilitates people in using, sharing and communicating ideas. People can send and receive ideas, documents, pictures and videos from anywhere to different parts of the world. Due to all these features, internet has emerged as one effective medium of committing crimes because they can operate from any part of the world without revealing their identity. If internet is useful for criminals, it is also very useful for different law enforcement agencies. Police and other law enforcement agencies ...