From The Boston Herald

Kenyan authorities are cracking down on vendors who do not register people for cellphone lines, following revelations that the terrorists who attacked a Nairobi mall last month communicated using unregistered lines, officials said Tuesday

Al-Qaida-linked Somali militant group al-Shabab has claimed responsibility for the Sept. 21 terrorist attack that killed at least 67 people at the Westgate Mall in Nairobi. Kenya’s military on Friday released images from closed-circuit television footage in the mall that appeared to show at least one of the suspected terrorist speaking on a cellphone.

Four chief executives of mobile phone companies have been questioned by investigating officers over their firms’ registration of activated cellphone lines, said Kenya’s Director of the Criminal Investigations Department Ndegwa Muhoro.

“We have arrested and prosecuted a number of vendors who were selling these SIM cards and we summoned the CEOs of these firms to explain what they have done to stop the crime,” said Muhoro.

Police investigating the terror attack lack information on the people who bought the SIM cards and that information would have assisted with their investigations in to the attack, he said.

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