Grissom: Linens and towels from The Sphere on top of the washing machine, and what I believe to be sheets from the motel inside the dryer. Both positive presumptive for blood.
Nick: Think they were being smart taking the sheets, or did they just get off sleeping on 'em?
Warrick: Either way, they were sick and dangerous.
Grissom: What does that say about whoever killed them?