Anti-money laundering (AML) and fraud prevention are crucial concerns for businesses and consumers. Traditional methods of tackling these issues have limitations such as lack of context and feature engineering overheads, which can be time-consuming and costly. Vector search significantly improves fraud detection and AML efforts by addressing these limitations. MongoDB Atlas Vector Search enables organizations to uncover deeply hidden insights before fraud occurs. The combination of real-time analytics and vector search offers a powerful synergy that helps discover insights otherwise elusive with traditional methods. By incorporating Atlas Vector Search, institutions can build intelligent applications powered by semantic search and generative AI over any type of data.