"Given the location of the body, it is doubtful anyone found it before the hikers discovered it. And the hikers did not have insects on them," Grissom comments, answering a few of Mark's questions.

At that point, Sara pokes her head in the door. "Update on the Meller case--seems Greg's theory might prove correct."

"Good," Grissom says approvingly. Then he grins. "Here to rescue Mark?"

"No--you haven't put him in an experiment."