time for a look back beyond our borders to a daring escape made by a group of missionaries held captive in haiti. andrea mitchell has more. reporter: new images of the once captured missionaries, now safely back home after the final group of 12 pulls off a stunning escape. when the timing was right, they opened the door, filed sigh silently to the path they chose to follow. reporter: sneaking out in the dark of night last wednesday, navigating by stars and moonlight, moving toward a mountain they recognized in the distance. after a number of hours of walking, day began to dawn. they eventually found someone