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Murdering someone is the easiest and quickest way to earn yourself a page on Wikipedia
(programming.dev)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.
Murder is relatively easy. Avoiding the consequences is not.
The consequences are a prerequisite to get "your own" page, I'd argue. I'd say it only counts as "yours" if you're identified, the page for say The Zodiac or D.B. Cooper it isn't "yours," it belongs to the named entity as an idea, until linked with "your" identity.