The Last Word with Lawrence O'Donnell 02/17/15

How did hackers steal $1 billion from banks?

It’s being called the biggest bank heist in history. NBC’s Pete Williams explains how it happened and Lawrence breaks it all down with our panel, Maj. Gen. Brett Williams (Ret.), cybersecurity reporter Cory Bennett and Marc Ambinder, Editor-at-Large for The Week. ... more Duration: {{video.duration.momentjs}}