A method and system for auditing and verifying vehicle identification numbers (VINs) with fraud detection. Digital photographs of vehicle VINs are collected and verified with crowdsourcing and Global Positioning System (GPS) information of the vehicles, GPS information and motion information of a mobile network device used to collect the digital photographs of the vehicle VINs and a number of manually entered VINs. The method and system is used to detect fraud associated with VIN audits of vehicle lots.