To conduct two follow-up assessment missions to Liberia and neighbouring States, in order to investigate and compile a midterm and a final report on the implementation, and any violations, of the measures on arms as amended by resolution 1903 (2009), including any information relevant to the designation by the Committee of the individuals described in paragraph 4 (a) of resolution 1521 (2003) and paragraph 1 of resolution 1532 (2004), and including the various sources of financing, such as from natural resources, for the illicit trade of arms;