Fraud Models That Explain Themselves
A decline you cannot justify is a customer you are about to lose.
By Hannah Cole

Fraud detection has run on machine learning for twenty years. What changed is that regulators, and customers, now expect a reason for the decision.
Reasons as a first-class output
The best systems emit a structured rationale alongside the score, generated from the features that moved it. Not a narrative — a list a human can check.