Names and Pictures of the men behind Garrisa terrorist attack in Kenya

These are the six men who stormed a university campus in Kenya on April 2nd and massacred 147 people including students, guards and school staff. They'e part of Somali militant group, Al-Shabaab.

They are: 1. Muumin Abdalla Muumin 2.Suleiman Mohamed Awadh 3.Abdifatah Abubakar Abdi  4.Abdalla Salim Marumu 5.Mohamed Abubakar Mohamed 6.Mahir Khalid Riziki.

How did 6 men kill 147 people?

May God Judge them and may the souls of the departed rest in peace.