okay. [ male announcer ] introducing xfinity my account. available on any device. . the pentagon has confirmed the leader of an al qaeda linked group has been killed in a drone strike in somalia. the alleged mastermind between al shabaab s deadly attack in a mall in kenya in 2013. officials say a drone struck a vehicle driven by him on march 12th. joining us from washington washington editor harper s magazine andrew coburn out with a new book kill chain, the rise of the high-tech assassins. here onset contributor to foreign policy magazine and author of isis, inside the army of terror, michaelwise. new york times best-seller.
posted it. german authorities trying now to trace his footsteps, to figure out how the most-wanted man in europe was able to make his way from the christmas market having killed 12 people here through france and then to italy. german chancellor angela merkel today saying they ll be looking at every single aspect of this case to figure out how a man who was on the terror watch list here in germany, a man they tried to deport, was able to carry out this attack. a real source of embarrassment for authorities here. massive question how that happened. erin, thank you very much. let s bring in michael weiss, cnn contributor and co-author of isis, inside the army of terror. and juliette kayyem, former u.s. assistant secretary for homeland security. thank you both for being with me. we ll get to how the heck he got to milan in a moment but juliette, you and i have been talking each and everyday about this manhunt ever since this sick individual plowed a truck into this market in berlin. ho