Lieutenant Karen Tracy is dead (Wolf in the Fold)

JARIS: Are you ready, Sybo?

SYBO: I am ready. May I have the knife, please?

JARIS: Certainly. Among other gifts, Sybo has the ability to receive impressions from inanimate objects. Do you have it, Captain? KIRK: The knife? No. JARIS: But I put it here when we arrived. It's gone. (A woman's scream fills the air.)

[Chamber]

(Karen Tracy is lying face down on the floor, and Scott is slumped unconscious in a chair.) KIRK: Scotty. MCCOY: She's dead, Jim. Just like the other one. KIRK: Stabbed over and over again.