Afghan Security Force Members Turning on Westerners

In recent years there have been numerous instances of individual members of the Afghan security forces turning on members of coalition military members.  The most recent event was the killing of four French military members in Kapisa Province, Afghanistan in January 2012.  The New York Times has a recent news article that explores this phenomenon.  See "Afghanistan's Soldiers Step Up Killings of Allied Forces", The New York Times, January 20, 2012.