When the wife of a former medical examiner is found murdered, a white powder found at the scene provides the CSIs with a major lead in tracking the killer when it is discovered that the powder is heroin made from human bodies.

Adoni Maropis, Ashlee Simpson, Emilio Rivera, Emmanuelle Vaugier, Holly Lynch, Jonah Lotan, Paul Papadakis, Pete Wentz, Shawn Woods, Tony Amendola, Tracy Silver