•Three empty cartridge cases from rifle.
•Matched description of shooter on sixth floor.
•Only TSBD employee to leave after shooting.
•Fingerprints on rifle and book cartons.
•Fresh right palmprint on book carton.
•Fibers on rifle similar to blanket used to store rifle at home.
•Order-filling clipboard found near sniper’s nest.
•Was in TSBD at time of shooting.
•Last sighted on sixth floor with no intention of coming down soon.