268 A.2d 795 MARIE ANNA ROLFES v. STATE OF MARYLAND. No. 559, September Term, 1969.Court of Special Appeals of Maryland. Decided August 21, 1970. HOMICIDE — Manslaughter Defined — Involuntary Manslaughter Based Upon Commission Of Unlawful Act — Evidence Sufficient To Sustain Conviction. Manslaughter is the unlawful and felonious killing of another, without malice aforethought, […]