Investigators say the arrest of Grant Wilson after a brief chase tied together an interstate case that began with two deaths in Poteau.
MONROE COUNTY, Ga. — A brief interstate chase in central Georgia ended with the arrest of an Oklahoma man accused of killing his twin sister and her toddler daughter, bringing a violent family case from Poteau into a second state less than a day after the shootings.
The arrest matters because it gave investigators not only a suspect in custody but also weapons, ammunition and travel supplies that authorities say may help explain the speed of the alleged flight from Oklahoma. Grant Wilson, 31, is accused in the deaths of Gabrielle Wilson, 31, and her 17-month-old daughter. He is expected to be returned to LeFlore County, where authorities have said he faces two counts of first-degree murder.
Monroe County deputies said they were alerted around 12:27 a.m. March 22 to a BOLO for a suspect vehicle tied to a double homicide in Oklahoma. The gray Honda was traveling south on Interstate 475 when deputies tried to make a stop. Instead, authorities said, the driver fled and started a short pursuit before finally stopping. Deputies took Grant Hoffman Wilson into custody without further incident. At the time of arrest, authorities said, he was armed with a pistol. A search of the car turned up a Browning lever-action rifle, a shotgun, loaded magazines, loose ammunition, packed bags with clothing and food supplies, and two .40 caliber Glock handguns that Oklahoma investigators later said were consistent with shell casings recovered at the murder scene.
Only after the arrest did the public get a fuller look at what deputies in Oklahoma say had happened the previous day. On March 21, authorities were called to a home off Old Tarby Road near Poteau for a reported cardiac arrest. When deputies entered, they found Gabrielle Wilson dead with a gunshot wound through her chin. In a bedroom, they found her toddler daughter with a fatal gunshot wound to the head. Investigators said several silver-colored shell casings were near Gabrielle Wilson’s body, and a probable cause affidavit described visible blood spatter on the floor and on the wall behind her. The child also had a slug in her hair, according to the affidavit cited in later reporting.
From there, the timeline moved backward and forward at once. Investigators reviewed surveillance footage from a neighbor and said it showed Grant Wilson’s car arriving at the home at 9 a.m. and leaving at 9:04 a.m. That four-minute window became one of the most striking details in the case. At the same time, traffic-camera data later placed the same vehicle around 11:30 a.m. March 22 near Atlanta’s airport, showing how far the suspect had traveled before deputies in Georgia caught up with him. Between those two points lies an important gap that authorities have not fully explained in public, including why the emergency call in Oklahoma came hours after the visit seen on camera. Officials have not said whether investigators believe anyone else was at the house during that span.
The family history described in the affidavit added another layer. The victims’ father told investigators that Grant 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. Those remarks do not answer the central question of motive, and police have not publicly identified a trigger for the attack. But they do suggest the investigation quickly shifted from a broad homicide inquiry to one focused on a close relative with a known connection to the victims, a matching vehicle and, according to family, access to a similar gun.
What happens next is likely to unfold in stages. Georgia authorities said Wilson was being held there on charges related to the pursuit, including fleeing and obstruction, while Oklahoma sought extradition. Once returned, he is expected to face the two murder counts in LeFlore County. The Oklahoma State Bureau of Investigation has publicly identified him as the suspect, and local reporting has described the case as one that moved unusually fast because of surveillance footage and the interstate stop. Prosecutors have not yet outlined in court whether they will rely on firearms testing, digital records, travel data or family testimony as the main pillars of their case, though all are likely areas of focus.
Officials have offered only brief public reaction. Hunter McKee of the OSBI told local television the killings were “a senseless crime” and said the case had been heartbreaking. In Monroe County, deputies framed the arrest as another example of regional coordination in a murder investigation that crossed state lines overnight. In Poteau, the consequences are more intimate. The dead were a mother and a small child, and the accused is the woman’s twin brother. That family detail, more than the miles on the highway, is what gives the case its weight.
As of Thursday, Wilson remained the accused in a case that moved from a house outside Poteau to an interstate in Georgia in little more than a day. The next major step is his transfer back to Oklahoma for court proceedings.
Author note: Last updated April 16, 2026.