# CaseGuard: Winning with Uncertainty-Gated Agentic Fraud Investigation on TigerGraph

Automated excerpt

A generic LLM cannot compute connected graph paths or aggregate velocity over graph edges. Device Multi-Accounting (detect_device_sharing. gsql): Evaluates the subgraphs connecting Device -> Transaction -> Account and Customer. Graph Support ($w=0. 35$): Grounded in GSQL query matches and neighbor fraud density.

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