Cache is along the trail called Cabin John Trail in a local park. The trails was in 2017 also improved to allow better trail for mountain bikes.
You are looking for large multi vitamin box sized container.
Coordinates were updated from log entries to be most accurate. (N 39° 02.916' W 077° 09.236')
Why this name? It is a name of a movie that tells a story that describes life in comunist regime and what secret police means. It got Oscar award for foreign movie.