Siren is a platform built on Elasticsearch that provides investigative intelligence for law enforcement, intelligence, and financial fraud detection by unifying and analyzing disjointed data. The platform addresses challenges related to disconnected datasets and tools by leveraging Elasticsearch’s real-time responses and search capabilities, enabling link analysis, business intelligence-style visuals, and text search for unstructured data. Siren’s Associative Data Model allows for visual definition and connection of diverse data sources, facilitating complex investigative tasks such as associative drilldowns, link analysis, shortest path queries, and common communicator discovery. The platform integrates with various backends, supports web services for advanced computations, and utilizes Elasticsearch's geo and time analysis capabilities for comprehensive investigative intelligence.