Fazul Abdullah Mohammed was an elusive and talented bombmaker . He escaped , but many civilians were killed . U.S. officials confirmed it was Mohammed through DNA tests . The FBI said the bomb that killed Abdulrahman al-Awlaki in Yemen last year had been made with a timer attached to his laptop computer, which allowed him to detonate it remotely if he Musa Dheere was also killed , Kenyan officials say . Expert says their deaths `` removed the top half of the al Qaeda network 's explosives expertise '' in the region .
Fazul Abdullah Mohammed was an elusive and talented bombmaker . U.S. officials confirmed it was Mohammed through DNA tests . The FBI said the bomb that killed Abdulrahman al-Awlaki in Yemen last year had been made with a timer attached to his laptop computer, which allowed him to detonate it remotely if he Musa Dheere was also killed , Kenyan officials say . Expert says their deaths `` removed the top half of the al Qaeda network 's explosives expertise '' in the region .