Their names were difficult to establish because the alleged trainers of the attackers maintained "a system of changing the names of the members every few months, so that everyone had layers of names that were discarded over time."[REF] .
Each attacker carried a dozen hand grenades, a 9×19mm handgun with two 18-round magazines and an AK-47, seven to nine 30-round magazines and more than 100 rounds of loose ammunition [REF].