the owners is lynn. although her dog looks like a pitbull, she had dna tested and he is less than 10%. he's mostly boston terrier. >> because of the hype and hysteria that's caused by that one type of individual who train as dog to be vicious, they've all been labored. >> reporter: maryland is the only state with the ruling. until recently, a dog owner had to prove a dog had a history of violence. now if the own are or landlord has knowledge that the dog it pitbull or part pit bucialtion the owner or landlord is responsible. >> i think they should exercise due diligence. >> reporter: the legislature cannot deal with the pitbull concerns in the upcoming session. by law they can only discuss the busmght all other issues would need another special session. in annapolis, don harrison, abc2 news. >> the recent ruling is based on a case from 2007 where a 10-year-old boy was attack bid a pitbull. >>> now we go to north carolina where they're deciding on a constitutional amendment that would redefine marriage as only between a man and a woman. if voters approve it, north carolina would be the 29th state with such a law.