Practice and procedure - Application to strike out statement of claim - Claim of misfeasance in public office by police officers - Whether claim for misfeasance in public office available for acts occurring after defendant ceased to hold office - Whether State vicariously liable for unlawful conduct of police officer - Application of _Enever v The King_ - Whether witness immunity applies to alleged acts of police officers in connection with investigation and prosecution of offences - Limitation of action - Fraudulent concealment of evidence of unlawful acts - Whether defendants estopped from relying on limitation period - [2007] WASC 140 - WASC 2007 case summary — Zoe