Luis Moreno Ocampo, the chief prosecutor of the International Criminal Court [ICC], spoke to Al Jazeera on war crimes and the effectiveness of the prosecution process.<br /><br />He admitted that it was difficult to prosecute and arrest people in power but said "we are moving in the right direction".<br /><br />Weeks after ICC sought Libyan leader Muammar Gaddafi's arrest on war crime charges, Ocampo said sooner or later the Libyan leader would be brought to justice.