因为纽约州一级谋杀的定义是
First-degree murder is the most serious homicide offense in New York State. It is defined as the intentional killing of a person without justification with one of the following aggravating factors:
The victim was a police officer, peace officer, correctional employee, judge, or a criminal case witness
The murder was committed while the perpetrator was serving a life sentence
The murder was committed with torture of the victim
The murder was committed as an act of terrorism
The murder was committed during the commission or attempted commission of one of the felonies under New York's felony murder laws.
Murder committed for hire (with the charge applying to both the murderer and the person who paid the murderer)