Ahmed Godane was the leader of Somali militant group Al-Shabaab . He allegedly was behind 2013 's deadly siege of a Nairobi , Kenya , shopping mall . U.S. military attack killed him this week , Pentagon says . A former Somali prime minister , Omar Abdirashid Ali Sharmarke , once described Godane as the cleverest of Al-Shabaab 's leaders . Comment:
Ahmed Godane was the leader of Somali militant group Al-Shabaab . He allegedly was behind 2013 's deadly siege of a Nairobi , Kenya , shopping mall . U.S. military attack killed him this week , Pentagon says . Comment: