 The subject at hand was suspected for not related criminal investigation therefore the telephone tapping was justified.The Regulation of Investigatory Powers Act 2000 in general prohibits interception of communications by a third party, with exceptions related to government agencies.A recording made by one party to a phone call or e-mail without notifying the other is not prohibited provided that the recording is for their own use; recording without notification is prohibited where some of the contents of the communication—a phone conversation or an e-mail—are made available to a third party.