Someone has a secret that's so great, that if they told anyone, they'd have to kill them.
- I'd tell you the secret of how this link goes to the unabridged version, but then I'd have to kill you.
http://tvtropes.org/pmwiki/pmwiki.php/Laconic/IdTellYouButThenIdHaveToKillYou
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Someone has a secret that's so great, that if they told anyone, they'd have to kill them.