Buckley v Dalziel [2007] EWHC 1025 (QB), [2007] All ER (D) 49 (May)
Absolute privilege and immunity from suit are available to those who provide evidence to police officers (or other investigatory agencies) in the course of an inquiry into possible illegality or wrongdoing (Taylor v Serious Fraud Office [1999] 2 AC 177 followed).