Al-Shabaab chief Mukhtar Abu Zubayr has a reputation for being secretive , merciless . He warned Kenyans that they face `` a war of attrition inside your own country '' unless their government pulls its remaining forces out of Somalia . Zubayr , 36 , wants his group to be able to deliver devastating attacks beyond Somalia . Last year , he formally declared Al-Shabaab an affiliate of al Qaeda . The U.S. government is trying to track down the group's leaders and stop them from carrying out more attacks.
Al-Shabaab chief Mukhtar Abu Zubayr has a reputation for being secretive , merciless . Zubayr , 36 , wants his group to be able to deliver devastating attacks beyond Somalia . Last year , he formally declared Al-Shabaab an affiliate of al Qaeda . The U.S. government is trying to track down the group's leaders and stop them from carrying out more attacks.