Eight years after unmanned aircraft became a part of border security, the effectiveness of the program remains a question mark. A new Homeland Security inspector general audit reveals, Customs and Border Protection never developed performance measures. Investigators found aircraft don’t meet flight goals. And, CBP has way undercalculated flight costs. John Roth is the Inspector General at Homeland Security. He joined the Federal Drive with Tom Temin with more on the report and the future of the drone program.