MOPAC conducts three ongoing surveys, providing a regular overview of how London residents experience and perceive the police. The Public Attitude Survey (PAS) - a survey of 19,200 London residents per year capturing a wide range of perception data. The User Satisfaction Survey (USS) - a survey of 9,600 victims of high volume crime about their experience of reporting a single incident to the police. The Telephone Digital Investigation Unit Survey (TDIU) - a survey of victims of high volume crime reporting either online or by telephone to the MPS TDIU, about their experience of reporting a single incident to the police. The questions asked in each of these surveys can be found in the PDF files below.A pack of findings from the surveys is published quarterly - the Public Voice pack. Please find these in the files below.