Un tireur dans une attaque de rave suisse meurtrière, selon la police.

A 43-year-old Swiss man who shot dead a 22-year-old Italian woman during a rave in Aarau has been identified as a "lone perpetrator," according to local police. The incident occurred early on Sunday and resulted in one fatality and five injuries. Police confirmed that no other individuals were involved in the attack, based on current evidence. At a press conference held on Wednesday, Michael Leupold, the commander of the Aargau cantonal police, stated that investigators have determined with a high degree of certainty that the shooting was carried out by a single individual. He emphasized that there was no indication of accomplices or broader involvement in the attack. The suspect, whose identity has not been disclosed publicly, surrendered himself to authorities in Delemont, located in the Jura canton of northwestern Switzerland, on Monday. Since his arrest, he has remained silent. The motive behind the attack remains unclear. According to Aargau cantonal prosecutor Christoph Ruedi, the suspect suffers from psychological issues and has not spoken since being taken into custody. There is no prior record of the suspect with law enforcement, adding to the mystery surrounding the incident. Authorities discovered two pistols and an AK-47 assault rifle in the suspect's vehicle following his surrender. The shooting has shocked the Swiss public, where such violent incidents are uncommon despite the country's relatively high rate of gun ownership. The attack took place at a popular music festival, which organizers described as a space meant for joy and community. In response to the tragedy, they expressed deep sorrow and pledged to assist police in their investigation. On their official website, the organizers wrote that they would "do everything in our power to support the police in their work." The event unfolded during a weekend celebration attended by hundreds of young people. Details about the specific circumstances leading up to the shooting remain sparse, though police have ruled out any connection to organized crime or extremist groups. Investigators continue to examine surveillance footage and witness accounts to piece together the sequence of events. Switzerland has historically experienced fewer mass shootings compared to other European countries, making this incident particularly jarring for residents. The rarity of such violence has led to heightened concern among communities and authorities alike. Public safety measures at large gatherings have come under scrutiny, with some calling for increased security protocols at similar events. As the investigation progresses, police are working to determine whether the suspect's mental health played a role in the attack. Psychological evaluations will likely form part of the legal proceedings against him. Meanwhile, the victim's family has requested privacy during this difficult time, and the community continues to mourn the loss of a young life cut short. The case has sparked discussions about gun control and mental health support systems within Switzerland. While the country maintains strict regulations on firearm possession, the presence of multiple weapons in the suspect's vehicle raises questions about how such items came into his possession. Local officials have not yet commented on these matters, focusing instead on the ongoing judicial process. Authorities have assured the public that the investigation is progressing smoothly and that all necessary steps are being taken to ensure justice is served. The focus remains on understanding the full context of the attack and preventing future tragedies. As more information emerges, the story of the Aarau shooting will continue to unfold through the efforts of law enforcement and the cooperation of the affected community.