Two men in California have exposed one of the largest cases of fraud in the history of the state–totaling over $950 million. Tonight’s episode of “Whistleblower” shows us how they discovered doctors were being paid to perform what some say were unnecessary spinal fusion surgeries. Host Alex Ferrer joined CBSN with a preview. “Whistleblower: The Billion Dollar Back Surgery Scam: Patients in Pain and Peril” airs at 8/7c on CBS. Source