Dubs owned an Oregon construction company and was a big game hunter in his spare time.
It was very successful and launched his filmmaking career which included Pacific International Enterprises.
[2][3] The movie featured a number of hunting sequences - Dubs' later films were more family friendly.
[4] The film was a surprise success at the box office and made $5.7 million in rentals in the US and Canada.
[5] The San Francisco Examiner called it "a chilling record of systematic slaughter".