Watch CSI: Crime Scene Investigation S04E20 online
Summary
Grissom, Catherine and Nick investigate the death of a runner during a competition. Sara and Warrick look into the suspected murder-suicide of a couple in a hotel room.
Guest stars
Brian D. Johnson,
Chad Williams,
Chris Coppola,
Dash Mihok,
Jennifer Gatti,
Kim Rhodes,
Neil Giuntoli,
Shawn Doyle,
Steven Culp,
Tina Holmes,
Tom Parker