"A Heart Left in San Francisco" . . . Scully paused before turning to the murdered Asian lying on the autopsy table. She glanced up at Mulder and remarked with a slight smile. "If I'm right, this is one man who left his, " she paused briefly, "heart in San Francisco."

     Smiling in appreciation of her well-chosen, bad pun, Mulder let out a light laugh and Scully found her lips curving once again at his enjoyment of her foray into his usual brand of humor.