Case Details:Katharina Lieselotte “Kathy” Kiszonak (aliases: Darlene Brannan/Brannon, Kathy Koszonak), was a 27-year-old white female, missing since July 16, 1985, from the 2900 block of Fremont Street, downtown Las Vegas, NV. She didn't own a vehicle and frequently walked or hitchhiked for transportation which wasn't uncommon during that time period.

Kathy is described as being between 5 foot to 5 foot 1 inches tall, approximately 120 to 125 pounds, with blonde/strawberry colored hair, hazel eyes, crooked teeth, and wore prescription plastic-frame glasses. Identifying features include a rising sun with birds tattoo on her right shoulder and may have visible needle/track marks on her arms. Kathy was last seen wearing a light-colored shirt/blouse, size 7-9 blue jeans, and 6-7 1/2 sneakers. There have been little details or media coverage related to her disappearance. Her case has been classified as Missing endangered secondary to vulnerability/lifestyle.