CSI Crime Scene Investigation

Mac and Stella investigate the electrocution death of a man found in a subway tunnel.

Mac, Aiden and Flack investigate when Elaine Curtis is found dead at a dog competition, a knitting needle sticking out of her chest, and no shortage of suspects ranging from judges to trainers to contestants.

Special Agent Avery Ryan and her team investigate when a man dies after taking medication he purchased from a hacked ad on a medical website.