Frank Gust, known as the Rhine-Ruhr Ripper for his gruesome mutilations reminiscent of Jack the Ripper, derives twisted pleasure from the discovery of his victims’ remains by innocent people. Authorities confirm his scheduled release in 2026, raising significant public safety concerns.
Childhood Trauma Sparks Pattern of Cruelty
Gust’s descent began around age nine when he purchased a guinea pig seeking affection. Denied permission to keep it due to allergies and dismissed by his grandmother as a “filthy rodent,” he tied the animal down and crushed it with a paving stone. Fascinated by the warm, pulsating intestines, Gust later described the sensation: “I like the feeling and the warmth when I reached inside the abdominal cavity.”
This incident ignited an obsession with animal cruelty. He progressed to stealing and vivisecting neighbors’ rabbits and cats, stating that such acts made him feel in control: “I was no longer a victim.” In his early 20s, Gust secured a hunting license, escalating to larger animals. He once shot a horse, slit it open, and lay naked inside its warm entrails.
Transition to Human Victims
Even as a teen, Gust desecrated bodies in Oberhausen cemetery. His first murder targeted 28-year-old South African hitchhiker Catherine Thompson in the early 1990s. After picking her up, he drove to secluded woodland, shot her in the head under a pretense, and assaulted her corpse. He then eviscerated her, stabbed her breasts and genitals, severed her hands and head, and left the mutilated body visible near the road while keeping the head for repeated sexual use before discarding it in a river.
Gust boasted to his girlfriend Elsa, showing her the bloodied ID and burial site, but she dismissed it as a joke.
Later Murders and Failed Cover-ups
In 1996, Gust killed sex worker Svenja Dittmer-el-Din during sex, shooting her and beheading her while she was still alive. He held her warm heart, later quipping, “She had her heart in her c*** anyway.” His mother Dagmar shared the confession with police friends, who brushed it off.
In 1998, Gust murdered Gerlinde Neumann, his first wife’s aunt, allegedly to silence her suspicions. Her body remains missing, believed dumped in a wildlife feeding station.
His final victim, sex worker Sandra Aus der Wiesche, endured over two hours of torture in 1999, including bites and burns. Gust offered her a loaded gun: “If you don’t shoot me now, I will kill you.” When she refused, he shot her in the back after briefly releasing her.
Arrest, Confessions, and Fantasies
Prior to arrest, Gust tested explosives on a sheep’s genitals, imagining a woman: “In my imagination, I was talking to a woman whom I actually saw in front of me.” To psychologist Petra Klages, he confessed viewing women as “cattle for slaughter,” with sudden visions of torturing them. Despite admitting he remains a threat, officials plan his release in 2026.

