somalia and enter into kenya? well in this particular case garissa is about 90 miles from the border and people should understand the boarder is very porous so it s quite easy for these fighters to go back and forth. in fact since that mall attack and going back several years there s been a number of attacks in garissa, so it s not a surprise that an attack happened in that town in particular, but i think the scale of it is what is cap taurg a lot of our attention. also what s capturing our attention here is that it was a cool that was attacked here. you heard one of the survivors say they were in their dormitories, wrangled into an area where the terrorists asked if they were muslim or christian, shooting the christians on the spot. the fact that they were attacking the school, what does that indicate to you? well it s consistent with al shabab s past practices, and, in fact they did some similar things at mall attack that you just referenced. part of what they are trying to do