The Obama administration has dispatched some 500 additional federal agents to the U.S.-Mexico border to stop the violence from spilling over into the United States.

VOA: standard.2009.03.26

It's 1968 or '69, spilling over in to the seventies.

时间是1968年或69年，临近70年代。

耶鲁公开课 - 文学理论导论课程节选

The increased violence is spilling over into many U.S.border towns, including Nogales,Arizona.

VOA: standard.2010.04.21