It is believed the file may relate to a March 10 published story in the Botswana Gazette highlighting corruption in Botswana Railways' purchase of a rail passenger coach.
Inaaminika karabrasha hilo linaweza kuwa na uhusiano na habari iliyochapishwa na Jarida la Botswana Gazette mnamo Machi 10 likibainisha vitendo vya kifisadi kwenye mradi wa ununuzi wa behewa la abiria kwa ajili ya Shirika la Reli nchini humo.