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.
S05, E23 (First Aired: May. 15, 2009)
Amita's abduction leads the team to a charismatic sociopath (James Callis), but only Charlie can figure out what bizarre things the suspect has planned for her.
S06, E01 (First Aired: Sep. 25, 2009)
A job protecting a high-profile political activist turns into a manhunt as the team searches for a sniper with his sights set on the controversial figure.