If this is true.....

Then Elvis has officially left the building and we are long past the time to completely withdraw:

NATO officials promised to meet Afghan nation’s demand of bringing to justice, through an open trial, those responsible for the incident and it was agreed that the perpetrators of the crime be brought to justice as soon as possible. - AFG GMIC

I don't take what the Afghan government says at face value, ever. But if NATO has agreed to such an act, it is a shameful day for the coalition.