HB 716 -- Endangering the Welfare of a Child Sponsor: Cooper (158) This bill expands the crime of endangering the welfare of a child in the second degree, a class A misdemeanor. The offense is committed when a person operating a motor vehicle commits involuntary manslaughter, assault in the second degree, driving while intoxicated, or driving with excessive blood-alcohol content while a child under the age of 17 is in the vehicle.Copyright (c) Missouri House of Representatives