Will FDLR rebels ever leave DR Congo and return to Rwanda?
11 February 2014 Last updated at 10:41 GMT
Twenty years since the genocide in Rwanda, the repercussions are still being felt across the border in the Democratic Republic of Congo.
Some of the million Hutus who fled from Rwanda were refugees but others were accused of taking part in the killing as members of the FDLR or so-called democratic forces for the liberation of Rwanda.
Grainne Harrington has travelled to the DR Congo with a UN team which is trying to persuade the FDLR to return to Rwanda.
Filmed by Elaisha Stokes