Jack Violent shoots his pregnant girlfriend, killing the fetus. Manslaughter, both voluntary and involuntary, lacks the element of malice aforethought. Second Degree Murder n. a non-premeditated killing, resulting from an assault in which death of the victim was a distinct possibility. Second degree murder is different from first degree murder, which is a premeditated, intentional killing or results from a vicious crime such as arson, rape or armed robbery. Exact distinctions on degree vary by state.
Voluntary manslaughter includes killing in heat of passion or while committing a felony.
Eddy Hothead gets into a drunken argument in a saloon with his acquaintance Bob Bonehead, and Hothead hits Bonehead over the head with a beer bottle, causing internal bleeding and death. Brent Burgle sneaks into a warehouse intent on theft and is surprised by a security man, whom Burgle knocks down a flight of stairs, killing him. Both are voluntary manslaughter. However, if either man had used a gun, a murder charge is most likely since he brought a deadly weapon to use in the crime. The immediate rage in finding a loved one in bed with another followed by a killing before the passion cools usually limits the charge to voluntary manslaughter and not murder, but prior attacks could convince a District Attorney and a jury that the killing was not totally spontaneous.