Nairobi, Nov. 25 -- Eastleigh's Hong Kong Shopping Mall is the hub of clothes traders in the Eastlands suburb of Nairobi. But it was from here that one of the Westgate attack planners ran a shop that perfectly camouflaged his activities.

While the 30-year-old Garissa-born Mohamed Ahmed Abdi ran a shop on Eastleigh's 12th Street, he was also in constant touch with the lead Westgate attacker, Mohammed Abdinur Said, who had arrived in Nairobi in July 2013.

Abdi was also a madrasa teacher and recruited his students into hate; enticing them to carry the ideology of jihad and downloading radical teachings for them.

Recently jailed for 33 years after he was caught by Anti-Terrorism Police Unit (ATPU), Abdi claimed that Abdinur, the lead Westgat...