His presidency has been marred , however , by invading and occupying the Democratic Republic of the Congo during the Second Congo War , resulting in an estimated 5.4 million deaths since 1998 , and by participating in other conflicts in the Great Lakes region of Africa . He has struggled for years in the civil war against the Lord 's Resistance Army , which has been guilty of numerous crimes against humanity , including child slavery , the Atiak massacre , and other mass murders . Conflict in northern Uganda has killed thousands and displaced millions
Atiak massacre
Atiak massacre
Uganda