Second-Degree Murder is an unlawful killing that is not premeditated and does not constitute first-degree murder. It is defined as an intentional killing that is not premeditated, planned, or committed in a calculated manner. Second-degree murder is usually divided into two categories: felony murder and manslaughter. Felony murder is the act of killing someone during the commission of a felony, such as robbery, arson, rape, or burglary, regardless of intent to kill. In some jurisdictions, a person can be charged with felony murder even if the killing was unintentional. Manslaughter is an unlawful killing that occurs without malice aforethought. It is usually divided into two categories: voluntary manslaughter and involuntary manslaughter. Voluntary manslaughter occurs when a person intentionally causes the death of another person in a sudden heat of passion, such as in a fit of rage or emotional distress. Involuntary manslaughter occurs when a person unintentionally causes the death of another person while engaging in an act that is reckless or negligent. Second-degree murder is a serious crime that is punishable by lengthy prison sentences and sometimes the death sentence, depending on the jurisdiction.