recent weeks. >> also if it was an individual or individuals, given the amount of surveillance cameras that i imagine are afternoon this arena, certainly great britain has an extensive video surveillance network, cctv network. the fact that if it was an individual, it seems like they timed it for when people would have been leaving this venue at 10:35 p.m., it would have been relatively easy to find given that there's a train station very close, that there would be cctv cameras to see this person waiting around and see where this person came from and get an image of this person, i would think. >> they'll already be looking at all these tapes and they'll presumably be able to trace where this person came from,