The Stream S2015E13 - DR Congo braces for new troop offensive

Could sending more troops to eastern DR Congo help the region, or will it worsen an existing humanitarian crisis? UN and Congolese forces have begun a new offensive targeting the Rwandan rebel group FDLR. The last time a similar offensive was launched in 2009, thousands of civilians died and a million Congolese were displaced. What needs to happen for the violence to end?