detaining a completely innocent person. >> it's called drawing distinctions. different situations have different results. i don't apologize guides for that in the least. you runaround in the world with extremely classified information and you don't know what it is, you're being used a as a mule. you take chances and i think mr. miranda got extremely lucky only being delayed nine hours in london. >> thank you. >> thank you. let's talk about it more on twitter during the break at anderson cooper. just ahead, a chilling reminder, children being led single file after a gunman opened firearmed with an ak-47 and the cold-blooded killing of australian student in oklahoma. what the teenagers told police about why they did it. unthinkable. we'll be right back. [ male announcer ] come to the lexus golden opportunity sales event