Errors in geography
The extensive, severe winter settings reveal the Toronto filming sites, rather than represent the Baltimore dramatic setting. Baltimore winters are mild, and snow rarely accumulates on the ground for more than a few days at a time. Yet snow covered landscapes and large accumulations of snow on the streets are common in the series, and there is snowfall to be seen through the window of Hannibal's dining room during nearly every meal.
Will Graham is put in mental prison in because of accusations of him murdering various girls. But he says that he is autistic which first of all doesn't make sense since his gift is to be able to replace in other peoples minds and think the way they do since autists generally have huge trouble with that. But a psychopath is able to act charming and social while Will has trouble looking into people's eyes and is far from social. But a psychopath did the murders which does not fit him.