Forty-eight people were found dead at two Swiss sites linked to the Order of the Solar Temple: 23 at Cheiry and 25 at Salvan. Investigators concluded that many victims had been murdered while others died by suicide, but the suspected organizers were also among the dead and no surviving person was prosecuted in Switzerland.

Before dawn on October 5, 1994, authorities discovered 23 bodies in a burned property at Cheiry, in the canton of Fribourg, and 25 more at Granges-sur-Salvan, in the canton of Valais. All were connected to the Order of the Solar Temple, an esoteric group founded in Geneva and led principally by Joseph Di Mambro and Luc Jouret.
Early descriptions sometimes characterized the Swiss deaths as a mass suicide. The later Swiss inquiry was more complex. Investigators concluded that a substantial number of the 48 people had been killed rather than voluntarily taking their own lives. Contemporary Swiss reporting and the judges' 1996 findings therefore describe the episode as a mixture of murder and suicide.
This distinction matters. Crime by Region does not describe all 48 deaths as voluntary, and it does not describe all 48 as individually adjudicated murders. The forensic findings supported murder in many cases, but the circumstances and agency were not established through trials against surviving perpetrators.
At Cheiry, 23 bodies were discovered in a fire-damaged farm property. At Salvan, 25 bodies were found at burned chalets. The Swiss discoveries occurred within days of deaths connected to the same group in Québec, Canada, and were followed by later deaths in France and Canada.
Joseph Di Mambro and Luc Jouret were among those found dead in Switzerland. Investigators identified Di Mambro as a central organizer of the group's final actions, but because the principal suspected organizers died, the Swiss cases did not produce criminal trials in which individual responsibility for the 48 deaths could be tested in the usual adversarial process.
On April 3, 1996, the three judges who had investigated the Swiss deaths presented their conclusions. Swiss reporting states that they believed none of the people responsible for the massacres had survived. Investigative findings also indicated that more than thirty of the 48 people had been murdered.
Those findings provided a substantial reconstruction of what happened, but they did not answer every question. Evidence had been damaged in the fires, and families and later observers continued to challenge aspects of the investigation and the degree to which individual consent, coercion and participation could be established.
The Fribourg proceeding concerning Cheiry ended in a non-lieu in 1998. Reporting on the Valais deaths states that there was no comparable judicial prosecution. Swiss authorities closed their investigations without bringing a surviving person to trial because the people identified as responsible were believed to be among the dead.
Michel Tabachnik, a Swiss conductor associated with the group, later faced proceedings in France over allegations concerning the wider Order of the Solar Temple affair. He was acquitted, including on appeal. His acquittal is preserved here and is not converted into responsibility for the Swiss deaths.
The official investigation produced a theory supported by forensic evidence: many people were murdered, some deaths were suicides, and the central organizers died. Yet no surviving perpetrator was convicted in Switzerland, and important questions about individual roles and consent remained unresolved. That combination supports the archive status Unsolved / Partial — investigation closed.
This classification does not imply that authorities knew nothing about the events. It reflects the difference between an investigative reconstruction and adjudicated criminal responsibility for each death.
The Cheiry and Salvan deaths were discovered on the same day, were investigated as connected Swiss manifestations of the same Order of the Solar Temple event, and shared central organizers and evidence. Splitting the 48 deaths into separate pages would distort the record and artificially inflate the archive.
Luc Jouret and Joseph Di Mambro help build the organization that becomes known as the Order of the Solar Temple.
Five deaths connected to the group are discovered in Morin Heights, Canada, forming part of the wider sequence.
Authorities find 23 bodies at Cheiry and 25 at Salvan.
Investigators say none of the people responsible for the massacres survived and conclude that many of the 48 victims were murdered.
Fribourg justice closes the Cheiry case without a surviving defendant being prosecuted.
A French appellate court upholds Michel Tabachnik's acquittal in proceedings concerning the wider OTS affair.
Unsolved / Partial — investigation closed. The Swiss investigation established that many of the 48 people were murdered and concluded that the responsible organizers had died, but no surviving person was convicted in Switzerland and significant historical questions remain.
The phrase “mass suicide” is not used as a blanket description. Swiss findings distinguished victims who were killed from those believed to have died voluntarily, and the archive preserves that distinction without speculating about people whose individual circumstances were not adjudicated.
Last reviewed: September 3, 2026