Highlights from the Eleventh Episode of Season 12 of CSI

­When Willows works with the FBI again after a professional hit occurs at a law firm she recommended to her friend, the CSI team identifies shocking similarities at the crime scene.

Catherine Willows

1. Catherine Willows

Catherine Willows (Marg Helgenberger) in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.
Agent Viggo McQuid and Catherine Willows

2. Agent Viggo McQuid and Catherine Willows

Agent Viggo McQuid (Grant Snow, left) speaks to Catherine Willows (Marg Helgenberger) in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.
Chatting

3. Chatting

Agent Viggo McQuid (Grant Snow, left) speaks to Catherine Willows (Marg Helgenberger) in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.
Questioning

4. Questioning

Catherine Willows (Marg Helgenberger, left) and Agent Viggo McQuid (Grant Snow, middle) ask Mark Gabriel (Titus Welliver) some questions in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.
Comforting a Friend

5. Comforting a Friend

Laura Gabriel (Annabeth Gish, left) looks like she has a lot on her mind as Catherine Willows (Marg Helgenberger) comforts her in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.
Catherine Willows

6. Catherine Willows

Catherine Willows (Marg Helgenberger) in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.

7. "Ms. Willows Regrets"

Catherine Willows (Marg Helgenberger, left) gives her hand to her friend, Laura Gabriel (Annabeth Gish) whiles she’s in the hospital in this scene from the first of Helgenberger’s last two episodes, on CSI: CRIME SCENE INVESTIGATION. Photo: Monty Brinton/CBS ©2011 CBS Broadcasting Inc. All Rights Reserved.