Aired: May 17, 2007 | Season: 3 | Episode: 21

Overview
Runtime: 45m
Directed by: Aaron Lipstadt
Written by: Diane Ademu-John
Guest stars: Arye Gross, Bruce Gray, Dre Slaman, Gerry Becker, Howie Mandel, John Prosky, Lydia Blanco, Neve Campbell
Description
The investigation of the murder of Walter Paxton's wife continues, as it is now determined that a serial killer is on the loose. While helping Devalos and Scanlon with the case, Allison discovers that her new friend Debra is the next victim. Allison goes to great lengths to protect Debra, but is shocked to find that her new friend isn't who she thought she was. Meanwhile, Joe debates being part of a lawsuit against Aerodytech, the company he's been loyal to for years.