What is a War crimes?
War crimes include grave breaches of the Geneva Conventions and other serious violations of the laws and customs applicable in international armed conflict and in conflicts not of an international character listed in the Rome Statute, when they are committed as part of a plan or policy or on a large scale. Specifically prohibited are murder, mutilation, torture, taking of hostages, acts of sexual violence, creating child soldiers, and attacks on civilians, hospitals, and houses of worship.