Used other than figuratively or idiomatically: see culpable, homicide.
Homicide which is culpable but does not rise to the level of murder; unlawful killing of a human being which does not constitute murder.
The intentional or unintentional killing of a comrade in arms.
A person who commits fratricide.
The killing of one's brother (or sister).
The undesirable situation where the separate missiles from a MIRV interfere with each other as they explode.