So the drawing in question in this scenario doesn't risk the charge of illegal brandishing, if Iowa's law is similar to Florida's, QED.
According to legal experts, it appears Murdock had Florida's "Stand Your Ground" law on his side.
Sought by the National Rifle Association, the law allows a person to shoot to kill if he or she feels in danger of death or great bodily harm, regardless of location. At home, in a vehicle, or out on the street — it doesn't matter.
Before the law was passed in 2005, Florida residents had the right only in their homes. Outside their castles, Floridians were required to retreat from an attack, if possible, before fighting back.