Zhane went back using the lower zip line which had been fitted with a compound bows so there was something to grip while sliding down. Jen Lee, one of the nurses, was on guard duty at the open window, making sure nothing managed to climb up, drawn by the use of the zip line. She stepped out of the way as his feet swung inside. He worked the bow so it came off the line and noticed that the humans had run this end of the zip line to the room's door where it was tied to a weight bench in the outer hall, caught by the doorway.