[2] It was the deadliest crime and mass murder in the city of Broken Arrow, until a murder-suicide in October 2022 which killed 8 people.

[3] Daniel Bever (age 12) called 9-1-1, saving the lives of his sisters Autumn (2) and Crystal (13) by alerting authorities.

[10] Defense attorneys stated that David Bever was physically and verbally abusive toward his children, according to Crystal's testimony.

[14][15][16][17] Robert later confessed that he and his brother planned to dismember the bodies of their family, place them in storage bins, and hide them in the attic of their home.

[11][18] Robert also stated that he admired serial killers, hoped to strike in locations outside of Oklahoma, and wanted to achieve a body count of up to 500 people or more.

[18] Detectives said they found a hatchet, knife, darts and a surgical blade inside the Bever family home.

Detectives also recovered wireless cameras, a bulletproof vest, a neck protector, a black mask and shin guards, along with computers and cellphones.

A detective said Robert told him he got a job at a religious call center to earn money to buy knives, body armor, helmets, bullets and guns.

[11] At around 11:30 p.m. on July 22, 2015,[19] police were alerted to 709 Magnolia Court[20] by a 9-1-1 phone call made by 12-year-old Daniel Bever, who stated his brother was attacking the family.

They knocked on the door, heard a faint voice calling for help, and forced their way into the house, where they found 13-year-old Crystal Bever, bleeding from multiple stab wounds.

The victims were identified as:[6][22][24] Killed Injured The two killers fled the scene through the back door of the house when police arrived and headed into a wooded area behind the property.

[25] They also recovered computer equipment and video surveillance cameras, which they believed recorded the murders as they were located near where three of the victims' bodies were found.

However, the Tulsa County District Attorney stated that Michael Bever would be exempt from a death sentence since he was under the age of 16 at the time of the murders.

Local real estate agents have stated that the house also lost tremendous value after the killings due to the stigma that comes with living in a home with a violent past.

After the killings, it became a center for dark tourism by ghost hunters, urban legend seekers, teenagers, trespassers, and vandals.

[33] In mid-February 2017, Broken Arrow's city council announced a plan to raise money through the Tulsa Community Foundation for the acquisition of the Bever family home.

They hoped that enough money could be raised to purchase the house from the Bevers' mortgage holder and lending company, its than owner.

[43] On August 5, Tulsa County Judge Bill Musseman ruled that documents concerning the case be made public.

[59] This case has been featured in several television programs including the true crime series Dateline on Oxygen TV which aired a documentary called "Killer Siblings: Bever".