Solving the mystery of vanished EgyptAir Flight 804

Aired: 5/19/2016 | 0:06:59 | Clip
The mysterious disappearance of EgyptAir Flight 804 and its 66 passengers somewhere over the Mediterranean Sea has left the international community scrambling for answers. For more on what could have happened to the flight, Hari Sreenivasan talks to former National Transportation Safety Board chair Deborah Hersman and former Deputy National Security Adviser Juan Zarate.