Bomb experts recovered a human skull, 3 ak 47 rifles and a rocket propelled grenade from the Westgate rubble...they detonated the grenade at the site. This, as we show you exclusive footage of the Westgate mall terror attack as captured by CCTV footage from the mall, footage that reveal not only how the terrorists attacked the mall but also how, between the attacks, they were relaxed enough to temporarily drop their weapons, and to engage in phone communication and even prayers. Evelyn Wambui with that footage courtesy of CNN.