In Oklahoma, Jacob Bailey and Renee Carpenter pleaded guilty to second-degree murder nearly a year after Robert Sikes died in Vinita.

VINITA, Okla. — Two Oklahoma residents have each been sentenced to 25 years in prison after pleading guilty to second-degree murder in the beating death of their roommate, ending a case that began when 34-year-old Robert Sikes was found dead in September 2025.

Jacob Bailey, 38, and Renee Carpenter, 43, entered the guilty pleas Sept. 25 in connection with Sikes’ death, according to reports on the case. The pair had initially faced first-degree murder charges after investigators examined what authorities described as repeated violence against Sikes inside the Vinita home the three shared. Their pleas to second-degree murder brought the prosecution to a close without a trial and resulted in matching 25-year prison terms.

The investigation that preceded those pleas focused not only on the injuries that led to Sikes’ death but also on evidence that the violence may have extended beyond a single episode. Autopsy findings showed that Sikes suffered 69 fractures. A report by KSN, citing the investigation, said the injuries involved his face, shoulders, arms, ribs and vertebrae. Investigators also said some wounds had already healed, which they viewed as evidence that Sikes had been hurt over a period of time. Other reporting on the autopsy said Sikes suffered internal bleeding and a ruptured bowel. Authorities treated the death as a homicide.

Investigators also scrutinized the accounts Bailey and Carpenter gave after Sikes died. According to an arrest affidavit obtained by KSN and later described by Law&Crime, the two changed their stories several times. Carpenter eventually acknowledged hitting Sikes and told investigators that Bailey struck him as well. Bailey, in turn, reportedly admitted that he beat Sikes until Sikes became unresponsive. Those statements became central to the allegations that ultimately led prosecutors to charge both defendants with murder.

The affidavit described another element of the household that investigators cited as evidence of repeated mistreatment. Carpenter told authorities that she would “frequently” place Sikes in pink handcuffs because nighttime behavioral disturbances annoyed the couple. Both defendants said the restraints were later discarded, but investigators were given different accounts of when Carpenter threw them away. The handcuffs became one of the details authorities examined while trying to reconstruct what Sikes had experienced before his death.

Bailey also gave investigators an account implicating Carpenter in some of the violence. According to the affidavit as reported by Law&Crime, he said Carpenter once stepped on Sikes’ throat to stop him from calling out for help. Bailey further told investigators that Carpenter participated in the striking that led to Sikes’ death. Carpenter separately admitted that she had hit Sikes and said Bailey had beaten him. The shifting and sometimes conflicting accounts were weighed alongside the medical evidence and the physical condition of Sikes’ body.

The medical findings gave investigators an independent measure of the extent of the violence described in those statements. Reports said the autopsy documented dozens of fractures across several areas of Sikes’ body, including injuries that appeared older than others. Law&Crime reported fractures involving the clavicle, ulna, ribs, mandible and eye socket, while KSN’s account described injuries to the face, shoulders, arms, ribs and vertebrae. The reports also cited internal injuries. Taken together, investigators said the evidence indicated that Sikes had been subjected to serious physical abuse before his death.

Authorities also examined why emergency help was not sought sooner. Bailey and Carpenter told investigators they did not contact anyone about Sikes’ condition because they feared getting into trouble, according to reports citing the case record. That explanation became another part of the chronology investigators assembled after Sikes was found dead. The available reports do not describe any attempt by the pair to obtain medical care after Sikes became unresponsive.

Police said Bailey, Carpenter and Sikes had histories of mental illness, according to Law&Crime. Authorities cited that information as background in the investigation, but the available reports do not identify any finding that mental illness excused or legally justified the violence. The criminal case centered on the defendants’ conduct, their statements to investigators and the medical evidence documenting Sikes’ injuries. No additional verified information about specific diagnoses or treatment was released in the reports reviewed.

The case changed significantly between the initial arrests and the final court resolution. Bailey and Carpenter were first charged with first-degree murder, the more serious charge described in reports after authorities investigated Sikes’ death. By Sept. 25, 2026, both defendants instead pleaded guilty to second-degree murder. The reports reviewed do not provide enough verified information to describe the full terms of any plea agreement or the prosecution’s reasoning for resolving the cases on the lesser charge, so those details remain unclear.

What is clear is that the guilty pleas eliminated the need for prosecutors to prove the original first-degree murder charges at trial. Bailey and Carpenter accepted criminal responsibility through their second-degree murder pleas, and a judge imposed 25-year prison sentences on each of them. The sentences came roughly one year after Sikes’ death and after investigators had assembled statements from both defendants, autopsy findings and evidence that authorities believed showed violence extending beyond the final fatal episode.

The resolution leaves the medical and investigative record as the principal public account of Sikes’ final period in the Vinita home. Reports do not provide a detailed public account of his life outside the household or identify relatives who addressed the sentencing. They instead focus largely on the evidence gathered after his death: extensive injuries, signs of older wounds, the defendants’ descriptions of repeated restraint and violence, their changing accounts and their explanation for not seeking help.

Bailey and Carpenter have now each received 25-year prison sentences for second-degree murder. The available reporting does not identify another scheduled proceeding in the case. Their guilty pleas and sentences mark the latest confirmed development in the prosecution stemming from Sikes’ September 2025 death.

Author note: Last updated Nov. 10, 2026.