What was the earliest movie with a "conspiracy theorist's pegboard"?

What was the earliest movie with a "conspiracy theorist's pegboard"? - Netflix Quote on a Red Screen

This is about movies that include a character that has a wall or pegboard full of photos and notes, and strings connecting these.

Sometimes the character with this setup might at first seem a bit mentally disturbed (but may eventually be proven right) or a conspiracy theorist, or some lone investigator.

What is the earliest movie showing this "conspiracy theorist's pegboard"?






Pictures about "What was the earliest movie with a "conspiracy theorist's pegboard"?"

What was the earliest movie with a "conspiracy theorist's pegboard"? - Inspirational Message on Blue Concrete Pavement
What was the earliest movie with a "conspiracy theorist's pegboard"? - Man Giving Jacket to Woman
What was the earliest movie with a "conspiracy theorist's pegboard"? - A Person Taking Picture of a Woman





Top 10 Darkest Movie Theories




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Sebastiaan Stam, Eva Elijas, Jeswin Thomas, Los Muertos Crew