Arne Cheyenne Johnson, the central figure in the case featured in The Conjuring: The Devil Made Me Do It, is born.
The Perron family experiences a series of paranormal activities in their Rhode Island farmhouse, which would later be investigated by the Warrens.
The famous paranormal investigators Ed and Lorraine Warren investigate and document the Perron family's haunting.
David Glatzel, a friend of Arne Johnson's fiancee, allegedly becomes possessed by a demon, leading to the Warrens' intervention.
After David Glatzel's possession, Arne Johnson claims to be possessed by a demon, which becomes central to his later murder trial defense.
Arne Johnson kills Alan Bono during a confrontation in Brookfield, Connecticut.
Arne Johnson’s trial for the murder of Alan Bono begins; his defense claims demonic possession as a defense, one of the first times such a plea was used in the U.S.
The judge rejects the demonic possession defense in Arne Johnson’s case, stating it cannot be proven in court.
Arne Johnson is convicted of manslaughter and sentenced to prison.
Arne Cheyenne Johnson experiences demonic possession leading up to a violent incident.
Famous paranormal investigators Ed and Lorraine Warren become involved to investigate the events surrounding Arne Johnson's case.
The Warrens investigate a demonic presence linked to a young girl named David’s sister, Agnes, believed to be connected to the possession case.
Arne Cheyenne Johnson commits a murder during his possession, leading to a high-profile court case involving demonic influence as a defense.
Arne Johnson's trial uses demonic possession as a legal defense, a first in U.S. history.
The Warrens perform an exorcism and confront the demonic entity connected to the case to free Arne Johnson from possession.
