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, E09 (First Aired: Nov. 23, 2007)
A comic-book convention becomes a crime scene when a deadly robbery leads to the disappearance of an extremely rare comic book.
S04, E10 (First Aired: Dec. 14, 2007)
A former FBI subcontractor shoots an agent at headquarters and takes a hostage, leaving the team with severely limited options.