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, E18 (First Aired: May. 16, 2008)
Differing beliefs have Don and Charlie at odds when they investigate a case that involves national security; Megan faces a crisis of conscience.
S01, E01 (First Aired: Jan. 23, 2005)
FBI agent Don Eppes recruits his younger brother, a brilliant mathematician, to help search for a serial rapist who has begun murdering his victims.