A murder in which organs or other body parts are harvested for the production of traditional medicine

plural of murder-suicide

(criminology) A murder in which the killer subsequently commits suicide.

(games) A children's game in which a designated player attempts to wink at as many people as possible in order to "kill" them, without being caught by the player who has to find out who the murderer is.

Murder for sexual gratification, often involving mutilation.

plural of mass murder

The killing of a large number of people over a short period of time.

A murderer will always be discovered. / (idiomatic) Secrets or hidden crimes will eventually be exposed or discovered; nothing that is secret can remain a secret forever.

A party game, played in a darkened room, in which a designated "murderer" eliminates other players, who must try to identify which player is the murderer.

To murder (someone) with an axe.