In this episode of Take Five Deep Dive, Megan Kahlenberg, Vice President in the Supervision division at the St. Louis Fed, examines the ongoing threat of check fraud, revealing how suspicious activity reports have surged more than 400% since 2014 even as check usage declines nationwide. She explores how organized crime has exploited pandemic-era vulnerabilities and advancing technology, and highlights the ways banks and government agencies are fighting back—from fraud specialists and new detection tools to the shift toward electronic payments.