On a December afternoon in 2015, a visitor arrived at a residential home in Rupperswil, a small municipality in Aargau canton in northern Switzerland. He claimed to represent the school psychological service. The homeowner, Carla Schauer, let him inside—a decision that would prove fatal for her and three others.

Thomas Nick, 33, had meticulously planned the intrusion. Armed with a kitchen chisel and knife, he forced his way into the house and took control through threats directed at Carla's younger son, Davin, then 13 years old. Within minutes, Nick had bound all four victims with cable ties: Carla Schauer, her two sons Dion (19) and Davin (13), and Dion's girlfriend Simona F. (21).

**Robbery and Abuse**

What followed was a calculated robbery. Nick forced Carla to withdraw cash from two banks—1,000 Swiss francs from Hypothekarbank Lenzburg and a further 9,850 francs from Aargauische Kantonalbank in nearby Wildegg. But the financial theft masked a darker purpose. Investigators later confirmed that Nick, who harbored pedophilic urges, sexually assaulted the 13-year-old boy multiple times during the ordeal.

After securing the money and committing his sexual crimes, Nick killed all four hostages. He then set the house ablaze in an attempt to destroy evidence—a common tactic among desperate perpetrators seeking to obscure their crimes.

Firefighters arriving at the scene discovered the bodies while extinguishing the flames. The case immediately captured national attention across Switzerland and sparked alarm throughout German-speaking Europe, where such violent home invasions remain statistically rare.

**Record-Breaking Manhunt**

The subsequent investigation became one of Switzerland's most resource-intensive criminal pursuits. Authorities issued a reward of 100,000 Swiss francs—the highest amount in Swiss criminal history—for information leading to the suspect's capture. For 146 days, Nick evaded law enforcement despite intensive surveillance efforts and DNA evidence collected from the crime scene.

The breakthrough came through routine procedure. During a traffic stop on May 12, 2016, in the canton capital of Aarau, police conducted a breathalyzer test and secured a DNA sample from the stopped driver. The sample matched evidence from the Rupperswil investigation. A specialized police unit from Aargau apprehended Nick at a Starbucks branch shortly after.

**Trial and Conviction**

Nick confessed to the murders. A forensic psychiatrist confirmed his pedophilic disorder and underlying mental disturbances. Judge Daniel Aeschbach characterized the perpetrator as "cold-blooded and ruthless" during sentencing.

In a country where capital punishment was abolished in 1942 (and formally removed from the penal code in 1992), Nick faced Switzerland's most severe sentence: life imprisonment without parole. The court additionally mandated indefinite psychiatric detention and compulsory psychological treatment.

Remarkably, Nick had no prior criminal record. He had previously worked as a youth football coach—a position of trust that enabled his access to vulnerable populations.

The Rupperswil case exposed vulnerabilities in Swiss social services, where impersonation of officials remained possible, and raised uncomfortable questions about risk assessment in organizations working with children. It remains one of Switzerland's most brutal crimes of the 21st century and serves as a cautionary example of the dangers posed by determined predators operating across institutional boundaries.