Next al-Qaeda leader will be more brutal to attract next generation of terrorists, 'Drone Warrior' author says

"Drone Warrior" Brett Velicovich believes Ayman al-Zawahri's replacement as the leader of al Qaeda could be more brutal to attract the younger terrorists.

Ethan Barton is a producer/reporter for Digital Originals. You can reach him at ethan.barton@fox.com and follow him on Twitter at @ethanrbarton.

"I think if anyone replaces him, they'll be a bit more aggressive in their operations, sort of try and gather a bit more credibility with the younger generation of terrorists that exist," said Brett Velicovich, who wrote the book "Drone Warrior: An Elite Soldier's Inside Account of the Hunt for America's Most Dangerous Enemies."