"Once Bitten" -- Nick Stokes (George Eads) is all smiles during this moment, on CSI: CRIME SCENE INVESTIGATION, Wednesday, Oct. 31 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"Once Bitten" -- Julie Finlay (Elisabeth Shue, left) interviews Ms. Young (Kyle Richards-Umansky, right) at the crime scene, on CSI: CRIME SCENE INVESTIGATION, Wednesday, Oct. 31 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.

"Once Bitten" -- Julie Finlay (Elisabeth Shue, left) tightly smiles as she communicates with Marjorie Randell (Caroline Lagerfelt, right) as she turns away in this scene, on CSI:CRIME SCENE INVESTIGATION, Wednesday, Oct. 31 (10:00-11:00 PM, ET/PT on the CBS Television Network. Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.