The Health and Human Services Department identified $712 million this summer in false health care billings and brought charges against 243 people. It's the largest action the Medicare Fraud Strike Force has ever taken. The department's inspector general credits the success to the datasets it gathered and studied to find new cases of waste, fraud and abuse. Caryl Brzymialkiewicz is assistant inspector general and chief data officer at HHS. She tells Federal News Radio's Nicole Ogrysko where she thinks agencies are headed with big data, and what best practices her office has found. Read Nicole's related story.