Duration: 1h

TV-14 7.4 Crime / Drama / Mystery

CSI: Crime Scene Investigation S4E20

During a police marathon, Grissom discovers a dead officer; multiple investigations unfold.

Release Date: April 29, 2004 (USA)

Creator: Anthony E. Zuiker & Ann Donahue

Cast: George Eads, Eric Szmanda, Robert David Hall, Paul Guifoyle, Jorja Fox, David Berman, Marg Helgenberger, Wallace Langgham, William Petersen