Brother blasts twin sister through the chin and shoots her 1-year-old little girl police say

The public record points to surveillance video, family statements and a Georgia arrest, while leaving motive unanswered.

POTEAU, Okla. — A probable cause affidavit, official statements and local reporting now outline the basic case against Grant Wilson in the deaths of his twin sister and her toddler daughter, even as a central question remains open: why prosecutors believe the killings happened at all.

Wilson, 31, is accused of first-degree murder in the deaths of Gabrielle Wilson, 31, and her 17-month-old daughter. What makes the case stand out is not only the family connection but also the way the public record came together: a 911-style emergency response, physical evidence inside the home, a neighbor’s camera, a father’s statement about past violence, and an arrest after a cross-state chase. Those pieces are unusually concrete for a case still early in the court process.

The first layer of the record is the scene itself. Deputies were sent to a home off Old Tarby Road on March 21 after a report of a cardiac arrest, but paramedics soon recognized the emergency as a shooting, according to the affidavit described in news coverage. Inside, investigators found Gabrielle Wilson on her back with a gunshot wound through her chin. Near her were several silver-colored shell casings. The affidavit says there was blood spatter on the floor and high on a wall behind her, details that suggest close-range violence inside the home. In a bedroom, deputies found the toddler with a fatal gunshot wound to the head. The affidavit also said a slug was found in the child’s hair, one of the small but grim details that often becomes important in later forensic testimony.

The second layer came from outside the house. Investigators reviewed a neighbor’s surveillance footage and said it showed a gray Honda Accord arriving at 9 a.m. and leaving at 9:04 a.m. Authorities identified the car as belonging to Grant Wilson. In many murder cases, the public learns first about motive or relationships. Here, the most striking fact in the early record was time: four minutes. That narrow window did not prove guilt by itself, but it gave investigators a precise frame to compare against witness statements, phone data, road-camera images and, eventually, the suspect’s location in another state. It also placed the alleged violence hours before deputies were called to the home that afternoon, a delay the public record has not fully explained.

The third layer came from family and investigators. The victims’ father told deputies that Grant Wilson and Gabrielle Wilson had a history of violent arguments and physical altercations. He also said his son owned the same caliber weapon believed to have been used in the killings. That kind of statement can help explain how investigators narrowed their focus, but it is not the same as a public explanation of motive. Authorities have not described a dispute on the day of the killings, a custody issue, a money conflict or another trigger. For now, the known facts tell prosecutors who they think did it and how they traced him, but not why they believe the attack began.

The fourth layer formed hundreds of miles away. By the next day, traffic-camera data had placed the suspect vehicle near Atlanta’s airport, and Monroe County deputies in Georgia said they received a BOLO around 12:27 a.m. March 22. The Honda was spotted on Interstate 475. Deputies said the driver fled when they attempted a stop, leading to a short pursuit before surrendering. Authorities identified the driver as Grant Hoffman Wilson. He was armed with a pistol at the time, deputies said. A search of the vehicle recovered two .40 caliber Glock handguns, a rifle, a shotgun, loaded magazines, ammunition, clothing and food supplies. Oklahoma investigators later said the Glock pistols were consistent with shell casings found at the house in Poteau.

Those records now set the stage for the courtroom phase. Wilson is expected to be extradited to Oklahoma, where authorities have said he faces two first-degree murder counts in LeFlore County. Georgia has also held him on charges tied to the pursuit. Once he appears in Oklahoma court, prosecutors will likely begin converting the narrative in the affidavit into formal evidence through testimony, forensic reports and chain-of-custody records. Defense lawyers, in turn, are likely to test the timing, the firearms link and any statements from family members or officers. The strength of the early record may speed charging decisions, but it does not remove the state’s burden to prove each count beyond a reasonable doubt.

Outside the courthouse, the case sits in a smaller world. Obituary and memorial notices described Gabrielle Wilson as a mother from Poteau and reflected the scale of local grief. But the public story remains stripped down to essentials: a house on Old Tarby Road, two deaths, a four-minute visit caught on camera and an arrest on a Georgia highway. Hunter McKee of the OSBI told local television the case was “a senseless crime,” a blunt description that fits the public facts even as it leaves the cause of the violence unexplained.

That is where the case stood Thursday: strong early records, serious charges and a motive still not publicly laid out. The next milestone is Wilson’s return to Oklahoma and the first court steps in LeFlore County.

Author note: Last updated April 16, 2026.