Genre: Crime Drama, Mystery, Thriller
Premise: FBI agent Don Eppes recruits his younger brother, Charlie, a mathematical genius and college professor, to help solve some of Don's toughest cases. Although others at the bureau are skeptical of Charlie's involvement, he finds support in a colleague at the university where he teaches.
S04, E11 (First Aired: Jan. 11, 2008)
Charlie becomes the target of physical intimidation aimed at disrupting his work on the case of a missing investigative journalist.
S04, E12 (First Aired: Jan. 18, 2008)
A serial rapist uses his position as a police officer to ensnare his victims.