On 28 October 2006, Swedish magazine Dagens Nyheter told the bodies are probably originally Russian. There was a lot of Russian military in Lappeenranta area during the Russian rule in the 19th century, the skeletons were buried in a traditional orthodox position and many of them were wearing orthodox crosses in their neck, as an anonymous informant from the Finnish Criminal Police had told the newspaper. Police informed later that this interpretation is probably the right one, and supports the preliminary notes made by the University of Helsinki's forensic archaeological team during the excavation. In April 2007, the report of the investigations was finalized. According to the research team, radiocarbon dating and archeological methods show that the bones date back to the 19th century. The bodies most likely belong to the Russian servicemen who died in the garrisons of the area. The cause of death was most likely disease, as the bodies show no record of violence.