MO HB1172

Repeals and replaces section 563.031, RSMo, relating to the use of force in self-defense and defense of others

Allows use of physical force when a person reasonably believes it is necessary to defend themselves or a third person from unlawful force, with exceptions for initial aggressors and those committing forcible felonies

Permits deadly force when necessary to protect against death, serious physical injury, or forcible felony, or when used against unlawful entry into a dwelling, residence, vehicle, or privately owned/leased property

Establishes that a person has no duty to retreat from a dwelling, residence, vehicle, or private property they own or lease

Shifts burden of proof to the state to prove beyond reasonable doubt that defendant did not reasonably believe deadly force was necessary when the force is used against unlawful entry into a dwelling, residence, or vehicle