Factual error: Parts of this season take place in St. Cloud, Minnesota. The problem is, the St. Cloud they portray has significant skyscrapers. St. Cloud is a town of about 80,000 people with no large skyscrapers.
Continuity mistake: When the bodies of Nikki Swango and the state trooper are being taken away, the large amount of blood that pooled under both of them has gone.