The upper parking lot entrance to the Westgate Mall is seen above vehicles that plunged during the collapse of the upper level. Kenyan officials are urging patience with the pace of the flow of information about the attack. Ben Curtis/AP hide caption

itoggle caption Ben Curtis/AP

This photo released by the Kenya presidency shows the collapsed upper car park of the Westgate Mall in Nairobi last week after al-Shabab terrorists attacked with explosives and guns, killing more than 60 people. Kenya Presidency via AP hide caption

itoggle caption Kenya Presidency via AP

Friends and relatives of Mbugua Mwangi and his fiancee Rosemary Wahito attended their funeral service Friday in Nairobi, Kenya. Mwangi, who was Kenyan President Uhuru Kenyatta's nephew, and Wahito died in the Westgate Mall attack. Jerome Delay/AP hide caption

itoggle caption Jerome Delay/AP

Former Liberian President Charles Taylor waits for the start of his appeal judgment at the Special Court for Sierra Leone in Leidschendam, near The Hague, Netherlands, on Thursday. Koen van Weel/Associated Press hide caption

itoggle caption Koen van Weel/Associated Press

Samantha Lewthwaite in a photo released Thursday by Interpol. Interpol hide caption

itoggle caption Interpol