Alan J. Pakula was an under-celebrated voice in 1970s American cinema. Most famous for “All the President’s Men,” Pakula built a career focused on rule-breakers and the vast conspiracies they untangle. With Criterion Collection releasing “The Parallax View” (1974) this month, Be Reel takes the opportunity to dive into Pakula’s conspiracy/mystery standouts, focusing on “The Parallax View,” “Klute” (1971) and “Presumed Innocent” (1990).