MO HB2821

Adds six new statutory aggravating circumstances for first degree murder cases where the death penalty may be sought, including murder committed during child trafficking offenses, murder by destructive device or weapon of mass destruction, murder by poison, murder of a hostage, murder involving dismemberment or mutilation of the victim, and murder of a child under 14 years old

Defines "weapon of mass destruction" to include items designed to cause widespread death, toxic chemicals, biological agents, and radioactive materials, but explicitly excludes firearms and standard ammunition

Requires prosecuting attorneys to file notice of intent to seek the death penalty within 60 days of arraignment, with extensions allowed by stipulation or court finding of good cause

Prohibits courts from accepting guilty pleas for first degree murder without prosecuting attorney consent during the period when a death penalty notice may be filed

Amends Missouri Revised Statutes Section 565.032, expanding the list of aggravating circumstances from 17 to 23