HB 1590 -- Involuntary Manslaughter Sponsor: Portwood This bill revises the crime of involuntary manslaughter. Under the bill, a person commits the crime of involuntary manslaughter, a class C felony, when he or she: (1) Commits a crime involving a controlled substance; and (2) The controlled substance is the cause of death of any person; and (3) The person's death could have been avoided had aid been summoned.Copyright (c) Missouri House of Representatives