Klingon mind-sifter

• Device developed within the Klingon Empire by the 23rd century (TOS: "Errand of Mercy")
• Allows analysis of the thoughts of other humanoid beings (TOS: "Errand of Mercy")
  • At least four levels of intensity (TOS: "Errand of Mercy")
    • Lowest level allows the scanning of surface thoughts (TOS: "Errand of Mercy")
    • Highest level actively extracts thoughts and memories, generally leaving the subject in a vegetative state (TOS: "Errand of Mercy")
• Potentially based on or derived from Zalkatian technology (TNG Novel: The Final Artifact)
  • Also potentially developed from or enhanced by stolen plans for the neural neutralizer (TOS Novel: Errand of Vengeance: The Edge of the Sword)
• By 23rd century, operation on Klingon citizens only legal following conviction of a crime (Novel: Seven Deadly Sins - The Unhappy Ones)
  • Operation on any other beings legal without restriction (Novel: Seven Deadly Sins - The Unhappy Ones)
• Usage banned by the second Khitomer Accords (KE Novel: A Burning House)