It's legal for minors to be willingly killed, but only with parental permission. A parent might need to supervise too.
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Girls are killed as performances for tourists. Sometimes the tourists go instead.
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Prisoners are beheaded, their heads preserved and their bodies disposed of, not as executions but out of convenience. They are reduced into something much easier to keep that still clearly identifies them.
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Milk leaks out of a dead girl by itself as her breasts relax, or maybe gets squeezed out by postmortem spasms or reflexes.
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Snuff matchmaking service, bringing together would-be killers and victims of compatible desires, and helping them with the logistics(physical and legal) of whatever they decide to do.