yes it absolutely does. here is FL law on manslaughter:
782.07 Manslaughter; aggravated manslaughter of an elderly person or disabled adult; aggravated manslaughter of a child; aggravated manslaughter of an officer, a firefighter, an emergency medical technician, or a paramedic.—
(1) The killing of a human being by the act, procurement, or culpable negligence of another,
without lawful justification according to the provisions of chapter 776 and in cases in which such killing shall not be excusable homicide or murder, according to the provisions of this chapter, is manslaughter, a felony of the second degree, punishable as provided in s. 775.082, s. 775.083, or s. 775.084.
http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&URL=0700-0799/0782/0782.html
they had to believe he had lawful justification, eg, self defense.
stop using the word non sequitur because you have no idea what it means.