The Countryside Alliance recently sent a letter to Chief Constables suggesting that if the police accept evidence gathered by NGOs such as the League Against Cruel Sports (LACS), through directed surveillance which is not authorised under the Regulation of Investigatory Powers Act 2000 (RIPA), both the Police and the Crown Prosecution Service may be liable under the Human Rights Act. The Policy Directorate of the CPS has responded to the letter by issuing the following guidance: