Modifies the offense of unlawful possession of a firearm

Repeals provisions that prohibit political subdivisions from adopting orders, ordinances, or regulations relating to firearms

Allows motor vehicles to turn left on red light when turning onto a one-way street

Modifies provisions relating to ignition interlock device requirements for certain intoxication-related traffic offenses

Establishes Blair's Law, which creates the offense of unlawful discharge of a firearm for discharging a firearm within or into the limits of a municipality with criminal negligence

Adds improperly transporting or storing a firearm in a motor vehicle to the offense of unlawful use of a weapon

Requires a motor vehicle inspection each time a used motor vehicle is sold, regardless of the age or mileage of the vehicle

Requires the driver and the passengers in a car or truck to wear a safety belt with certain exceptions

Provides immunity from civil liability for persons who render assistance to animals trapped in motor vehicles

Modifies the offense of unlawful possession of a firearm to include any minor possessing a firearm on public property

Modifies provisions relating to emergency services

Establishes the offense of unlawful tracking of a motor vehicle

Allows the chief law enforcement executive in any jurisdiction to request assistance from another jurisdiction, including a jurisdiction outside the state of Missouri

Requires a notice of intent to excavate to the department of natural resources to check whether the excavation is in a site contaminated with hazardous waste

Expands the definition of special victim to include sports officials at a sporting event and limits civil liability for sports officials

Establishes the offenses of harassment of a school or recreation athletic official and entry or remaining on site of a school or recreation athletic contest after being forbidden

Designates October second each year as "Wrongful Conviction Day"

Adds provisions relating to a landlord failing to remedy a condition that would materially affect the health and safety of a tenant

Creates a civil cause of action allowing claimants to seek damages from the state for wrongful conviction

Contains provisions relating to law enforcement officer accountability

Establishes provisions relating to civil actions brought against peace officers

Provides that a grandparent shall be given priority if it is in the best interest of the child to be placed in the custody of a third party

Establishes the "Motivational Boot Camp Incarceration Program" in the department of corrections and allows certain persons to be sentenced to the program

Modifies penalties relating to criminal offenses involving the custody of children

Modifies provisions relating to guardianships and conservatorships

Modifies provisions relating to the custody and support of children

Modifies property disclosure requirements with respect to radioactive or hazardous material

Changes the offense of possession by adding high-capacity firearm magazines

Prohibits the purchasing of semi-automatic and fully automatic firearms by anyone under twenty years of age

Establishes the "Driver's Protection Act"

Establishes provisions relating to the refiling of cases dismissed by a court

Modifies provisions relating to civilian review boards

Modifies provisions relating to catalytic converters

Establishes the "First Responders' Bill of Rights" and provisions relating to investigations of first responders

Changes the age when a person may be excused from serving on a petit and grand jury

Prohibits certain individuals from possessing a firearm due to domestic violence

Establishes new labor provisions relating to investigations of firefighters

Modifies provisions relating to firearms

Creates a voluntary process for an individual to restrict the individual's ability to purchase a firearm

Establishes the "Firearm Violence Prevention Act"

Specifies that a person commits the offense of endangering the welfare of a child if he or she fails to secure a firearm

Requires that all sales or transfers of firearms be processed through a licensed firearms dealer

Abolishes the death penalty and specifies that any person sentenced to death must be sentenced to life imprisonment without parole

Modifies provisions relating to guardian ad litem fees

Authorizes a tax credit to offset amounts paid on gun safety items

Establishes the "Firearm Violence Prevention Act"

Establishes the Task Force on Juvenile Justice and Education

Allows the reporting of a privileged communication regarding child abuse and neglect that is made to a minister or clergyperson

Requires training on human trafficking conducted by the department of public safety to include instruction on victims' statements

Requires hospital employees and first responders to receive training on detecting and reporting human trafficking

Modifies provisions relating to trial procedures for murder in the first degree

Requires public institutions of higher education to have opioid overdose rescue kits available for public use on campus

Requires organizations that provide pregnancy-related services to provide medically accurate information regarding reproductive health options in order to receive state funding

Requires a firearm owner to report lost or stolen firearms

Adds improperly transporting or storing a firearm in a motor vehicle to the offense of unlawful use of a weapon

Creates provisions relating to liability insurance for firearm owners

Establishes extreme risk protection orders and gun violence seizure warrants and prohibits certain persons involved in domestic violence from possessing a firearm

Provides that a confession of a child is inadmissible as evidence if the confession was obtained through deception

Allows a court to reduce a life without parole sentence, or a sentence of thirty years or greater, to a sentence of life with eligibility for parole in certain circumstances

Changes the law regarding parole eligibility for certain offenders who have served thirty years of his or her sentence

Prohibits the odor of marijuana alone to give rise to probable cause to search a vehicle, home, or other private property

Prohibits firearms businesses within one thousand feet of a child care facility, school, or religious organization

Establishes procedures for petitioning for and issuing risk protection orders

Allows individuals on probation and parole to vote

Establishes provisions relating to freestanding claims of actual innocence

Modifies provisions relating to good time credit

Allows for the parole board to grant parole with lifetime supervision to certain persons who were under twenty years of age at the time an offense was committed

Modifies provisions relating to the "Crime Victims' Compensation Fund" and establishes the "Victims of Domestic Violence Fund"

Establishes procedures for petitioning for and issuing risk protection orders

Modifies provisions relating to the taxation of cigarettes and tobacco products

Modifies provisions relating to home brewers of intoxicating liquor

Places length restrictions on trains carrying hazardous material

Establishes provisions relating to expungement

Modifies provisions relating to child safety seat requirements

Creates a voluntary process for an individual to restrict the individual's ability to purchase a firearm

Modifies provisions relating to catalytic converters

Prohibits certain individuals from possessing a firearm due to domestic violence

Establishes parameters for admissibility of certain statements made by persons under arrest during custodial interrogations

Modifies provisions relating to the legal age to purchase tobacco products

Modifies provisions relating to pleadings

Establishes provisions relating to time frames for issuance of orders or judgments by courts

Creates the "Missing and Murdered African American Women Task Force"

Requires the department of elementary and secondary education to conduct safety assessments of all public schools in the state

Establishes a conviction review unit

Establishes the offense of unlawful dog tethering or chaining

Establishes the "Firefighters Procedural Bill of Rights Act"

Prohibits the manufacture or sale of certain food additives

Designates April 22 each year as "Missouri Black Bear Awareness Day"

Requires universal background checks for all sales or transfers of firearms

Prohibits certain individuals from possessing a firearm due to domestic violence

Prohibits carotid restraints, except under certain circumstances, and provides for peace officer dismissal and license revocation based on improper use of choke-holds and carotid restraints

Modifies provisions relating to compensation for victims of crime

Establishes provisions requiring notice to the debtor before collecting debt through judicial means

Creates the offense of unlawful possession of an ammunition feeding device that holds more than ten rounds

Modifies the definition of machine gun

Establishes the offense of possession of an open alcoholic beverage container in a motor vehicle

Establishes requirements for speed humps installed for traffic calming purposes