|←||CI, Episode 9.16||→|
|Production number: 9002|
First aired: 6 July 2010
| Written By|
Walon Green & David Klass
Arthur W. Forney
When the body of a woman is found with signs of torture and a strange message, Nichols begins to suspect that he's dealing with a killer with multiple personalities, and thus reluctantly seeks out his father's help.
- Jeff Goldblum as Detective Zach Nichols
- Saffron Burrows as Detective Serena Stevens
- Mary Elizabeth Mastrantonio as Captain Zoe Callas
- F. Murray Abraham as Dr. Theodore Nichols
- Joanne Baron as Hildy Glaser
- Tom Lipinski as Tommy Quin/Andy Quinn/Dr. Curtis
- --- as Dr. Michael Sanderson
- Robert Stanton as
- Bill Winkler as
Background information and notes
- This is the season 9 finale.
- This is the first, last, and only appearance of Zach's father, Dr. Nichols.
- The title is probably referencing the killer who has three personalites.
- This is the final episode of Detective Zach Nichols.
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Law & Order: Criminal Intent
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