2023 Missouri Laws 565.020 – First degree murder, penalty — person under eighteen years of age, penalty
2022 Missouri Laws 565.020 – First degree murder, penalty — person under eighteen years of age, penalty.
2020 Missouri Laws 565.020 – First degree murder, penalty — person under eighteen years of age, penalty.
2018 Missouri Laws 565.020 – First degree murder, penalty — person under eighteen years of age, penalty.
2016 Missouri Laws 565.020 – First degree murder, penalty–person under eighteen years of age, penalty
2015 Missouri Laws 565.020 – First degree murder, penalty–person under sixteen years of age not to receive death penalty
2014 Missouri Laws 565.020 – First degree murder, penalty–person under sixteen years of age not to receive death penalty
2013 Missouri Laws 565.020 – First degree murder, penalty–person under sixteen years of age not to receive death penalty
2009 Missouri Laws 565.020 – First degree murder, penalty–person under sixteen years of age not to receive death penalty