Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to prove murder [title] Identify first degree murder. [step] There are generally two kinds of murder: first degree and second degree. Each requires different mental states.

Ending1: Research your state's rules of evidence. If you don't have any proof, then you might not be able to prove murder. Ending2: [substeps] First degree murder is a case where the person is convicted of a crime of which the evidence is not of a suitable degree. This means at least no personal damage is caused by the crime. Ending3: [substeps] Second degree murder is the most common type of murder. Even in first degree murder, the victim (s) are not personally liable. Ending4: In other words, what separates first degree from second degree murder is what the defendant was thinking. [substeps] First degree murder is an unlawful killing that is willful and premeditated.

Answer format: ending1/ending2/ending3/ending4