Lacey Locke

Special Agent Lacey Locke
She is Cassie and Deans first mentor in the Natural program. She teaches them how to profile. Lacey Locke is the younger sister to Lorelai Hobbes, and the aunt of Cassie Hobbes. Cassie never knew about her until the end of The Naturals.

She was Cassie's first mentor in the program, but it turned out she was a psycho killer who wanted to find Lorelai's killer because when they were younger, Lorelai left her with her abusive dad when she was pregnant with Cassie.

In the end of the The Naturals she tries to kill Cassie, but ends up getting shot and killed by Michael, in his efforts to save Cassie.

Relationships
Dean Redding. Locke teaches Dean how to be a profiler.

Michael Townsend Michael takes part in causing Locke's death.

Lorelei Hobbes. Sister. Lacey wanted to kill Lorelai because when they were younger Lorelei left her alone with her abusive father. Lorelei was pregnant with Cassie at the time. She believes Lorelei to be dead.

Cassie Hobbes. Niece. Lacey trains Cassie to be a Natural profiler. She leaves hints along the way & frames crimes victims scenes similar to Cassie's mother's own crime scene. She dyes her victim's hair red, similar to Loreleis. She leaves a red lipstick with Lia to give to Cassie which helps Cassie solve the mystery. Eventually, she tries to kill Cassie.

Cassie carries the red lipstick around as a reminder.