Worf: What about Garak?
Benjamin Sisko: I want him back, too. I suppose I don’t have to tell you to keep a close eye on him?
Worf: At the first sign of betrayal, I will kill him. But, I promise to return the body intact.
Benjamin Sisko: I assume that’s a joke.
Worf: We will see.
Star Trek: Deep Space Nine, Season 5: Episode 14 – “In Purgatory’s Shadow”