all those teenagers who would want to remember their night when they saw ariana grande, the united states pop starn tour in great britain, a tour that has since been canceled. or suspended at least, souvenir shops which no doubt felt the same destruction and potentially some of the people who work there may have been injured as well. joining us now is a former cia military analyst, she is now the senior policy advisor for the counter extremism unit, it's hard to imagine what people are going through. so many in new york and paris have experienced this andrew member it all too well. >> it is absolutely heartbreaking watching those videos, unfortunately we have seen attacks like this before, we saw this happen at the concert in paris, we've seen attacks on sports stadiums historically, the boston marathon, concerts, these are traditional terrorist targets. this one particularly targeting young people at a concert on a school night, absolutely heartbreaking. it has all the hallmarks of a traditional terrorist attack. initial reports are suggesting it was likely a suicide bombing, we don't have any in