Undercover: How I Went From Company Man to FBI Spy and Exposed the Worst Healthcare Fraud in U.S. History

When John Schilling, an unassuming midlevel accountant, joined Columbia Healthcare Corporation —

the nation's fastest growing and revolutionary network of public hospitals — it seemed like the start of an exciting new career with great advancement and earnings potential. He never expected to become a catalyst for the series of "whistleblower" lawsuits that ripped through the healthcare industry in the late 1990s

In Undercover, John Schilling tells the story of his harrowing journey from or...