state building in new york and hotels. nbc's kevin tibbles has the story from the bedbug summit in roseville, illinois. >> reporter: thomas, used to be the only time we worried about bedbugs is when we were traveling abroad. that is certainly not the case in america today. the empire stadium in new york, even a nike store had to be shut down. universities, libraries, a military installation was infected. it seems like the little critters are everywhere these days. perhaps it's because we're traveling more often. this is not a bedbug next to me here, although you might be confused by the getup. brian, what is that and how can that stop bedbugs from getting into my house? manufactu . >> this is it a mattress encasement for bedbug control. this is a mattress encasement for bedbug control. basically, what it does is it encases the mattress on with a