Highlights from the Eighth Episode of Season 12 of CSI

­When the CSI team investigates three seemingly unrelated murders, they discover someone is getting revenge for cold case murders that were never solved.

Catherine

1. Catherine

Catherine Willows (Marg Helgenberger) and D.B. Russell investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
D.B. Russell

2. D.B. Russell

D.B. Russell (Ted Danson), Catherine Willows and Greg Sanders investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
On the Scene

3. On the Scene

Greg Sanders (Eric Szmanda) and Catherine Willows (Marg Helgenberger) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
Investigating

4. Investigating

D.B. Russell (Ted Danson), Catherine Willows (Marg Helgenberger) and Greg Sanders (Eric Szmanda) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
Greg and Catherine

5. Greg and Catherine

Greg Sanders (Eric Szmanda) and Catherine Willows (Marg Helgenberger) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
Greg and Catherine

6. Greg and Catherine

Greg Sanders (Eric Szmanda) and Catherine Willows (Marg Helgenberger) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
Greg and Catherine

7. Greg and Catherine

Greg Sanders (Eric Szmanda) and Catherine Willows (Marg Helgenberger) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.
Greg and Catherine

8. Greg and Catherine

Greg Sanders (Eric Szmanda) and Catherine Willows (Marg Helgenberger) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.

9. "Crime After Crime"

Dr. Albert Robbins (Robert David Hall), Greg Sanders (Eric Szmanda) and Catherine Willows (Marg Helgenberger) investigate three seemingly unrelated murders, on CSI: CRIME SCENE INVESTIGATION. Photo: SONJA FLEMMING/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved.