Factual error: There is a cross on the wall in Bill and Barbara's bedroom. Mormons (of any persuasion) do not venerate or use the cross as a symbol of their faith.
Factual error: Season 5: Episode 8. The statue of limitations on statutory rape is 4 years. The police wouldn't even look into this case.
Factual error: In Utah you can legally marry at age 16. In Colorado, where the third wife is from, the legal age is 15. All that fuss that she lied when she married at 16 is moot.