My first thought is what restaurants he might have been eating at, just because his home is rat free doesnt mean he didnt eat somewhere that wasn't. Unless by "

My first thought is what restaurants he might have been eating at, just because his home is rat free doesnt mean he didnt eat somewhere that wasn't. Unless by "no travel history" the article means they literally didnt leave their house to go to a restaurant or a friend's house or something I dont think that point was addressed.