Punishment of grave breaches of Conventions and Protocol I
2. (4) (a) in the case where the offence involves the willful killing of a person protected by the relevant Convention or by Protocol I, to imprisonment for life;
2. For the purpose of this Statute, ‘war crimes’ means:
(a) Grave breaches of the Geneva Conventions of 12 August 1949, namely, any of the following acts against persons or property protected under the provisions of the relevant Geneva Convention:
(i) Wilful killing;