A Screw Turned Loose
Series: 'CSI: Crime Scene Investigation'
Episode Title: 'A Screw Turned Loose'
Episode Number: 421
Original Airdate: May 06, 2004
Written By: Josh Berman
Directed By: Deran Sarafian
- Ron Dean as Woody
- Previously known as "Turn of the Screws". (March 20, 2004 - CSI Files)
- A rollercoaster derails at the Sphinx Amusement Park, killing six people. (March 20, 2004 - CSI Files)
- Location scenes for the episode were filmed at Pharaoh's Lost Kingdom with about 200 extras required. (March 23, 2004 - CSI Files)
- Josh Berman: "This season in general we've been focusing on small storylines, but this is a big story. It'll have the highest body count ever." (March 27, 2004 - CSI Files)