It only need prove criminal agency—that the death was a homicide, as opposed to an accident.
The homicide rate for resident military personnel is lower than the national average for civilians.
Indeed, some of the rewards have topped hundreds of thousands when the crime involves a homicide.
"the killing of another person," early 13c., from Old French homicide, from Latin homicidium "manslaughter," from homo "man" (see homunculus) + -cidium "act of killing" (see -cide). The meaning "person who kills another" (late 14c.) also is from French, from Latin homicida "a murderer," from -cida "killer."
The killing of one person by another, whether intended (murder) or not (manslaughter). Not all homicide is unlawful; killing in self-defense, for example, is not a crime.