First Degree Murder: All premeditated murders, and (in some states) murders involving certain especially dangerous felonies, such as arson or rape, or committed by an inmate serving a life sentence.

• 一级谋杀：所有预谋杀害，（有些洲）谋杀中涉及某些极度危险的重罪，如纵火或强奸，或者由罪犯已经是无期徒刑的。