Arlington Road (1999)
Arlington Road is a 1999 American drama/mystery thriller film, which tells the story of a widowed George Washington University professor who suspects his new neighbors are involved in terrorism and becomes obsessed with foiling their terrorist plot. The film stars Jeff Bridges, Tim Robbins, Joan Cusack, and Hope Davis and is directed by Mark Pellington. Ehren Kruger wrote the script, which won the Academy of Motion Picture Arts and Sciences' (AMPAS) Nicholl Fellowship in 1996. The film was to have been originally released by PolyGram Filmed Entertainment, but was sold to Sony Pictures Entertainment before it opened. The eventual release was the first title for Screen Gems while PolyGram (now part of Universal Studios) handled foreign rights.
More at Wikipedia.