Claim: Nevidni bataljon is a Slovene film about unhappy German soldiers with their elders' passive stance on partisan attacks that decided to take matters into their own hands that was released in 24 November 1967 and was directed by Ivan Ribičič and was written by Miha Baloh.
Evidence: Nevidni bataljon (The Invisible Battalion) is a 1967 Slovene film directed by Jane Kavčič. 
Jane Kavčič 
Ivan Ribičič