In 2293, Valeris was part of the conspiracy to prevent the historic peace settlement between the Klingon Empire and United Federation of Planets following the Praxis incident. Using her position on the Enterprise she helped frame James T. Kirk and Leonard McCoy for the assassination of Klingon Chancellor Gorkon and murdered the real culprits. She was exposed and through a mind meld Spock was able to gain invaluable intelligence that prevented the conspirators from assassinating the Federation President. (Star Trek VI: The Undiscovered Country)
Fan continuities[edit | edit source]
At a Federation holding facility, shortly after the apparent death of James T. Kirk aboard the Enterprise-B, Valeris apparently killed Moses Cartwright, as well as other Starfleet personnel involved in the conspiracies of the past 20 years -- and finally herself. ("A Winter's Solstice")
She was court-martialed and sent to the Federation maximum security prison on I'Tana IV.
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