Three Days of the Condor
Three Days of the Condor (1975) is a stand-out thriller among the great crop of movies made in the “Easy Riders, Raging Bulls” era of filmmaking in the late 1960s and the 1970s. It stars Robert Redford as a CIA operative (codename “Condor”) working in a branch of the agency that researches foreign books that might contain hidden codes and messages.
After Redford steps out to get lunch, he returns to the office to find all of his coworkers murdered. The movie unfolds over three days as Redford tries to find safety and to get the truth about why his department was wiped out. He can trust no one, especially his bosses at the CIA.