Greensboro missing-person case turns into homicide, two arrested
A missing-man investigation ended with homicide warrants for two suspects already jailed in Randolph County, tightening the timeline around Douglas Keith Petty’s death.
Greensboro police have turned the disappearance of Douglas Keith Petty into a homicide case and filed warrants against two suspects after Petty’s body was found on the 1400 block of Dorsey Street. The warrants were served Thursday, July 2, while both suspects were already being held in Randolph County on unrelated charges, showing investigators had continued building the case across county lines before making the homicide charges public.
Petty was 39. He had last been seen June 12 at about 11 a.m. leaving the Oakdale Mill Road area and heading toward Liberty, North Carolina. Days later, on June 25, Greensboro police were called to assist the Guilford County Sheriff’s Office after a report of suspicious activity on Dorsey Street. Investigators found Petty deceased inside the home, and his death was ruled a homicide.
The suspects are Mark Donovan Ray Graham, 31, and Samantha Jean-Marie Panico, 40. Graham is charged with first-degree murder, robbery with a dangerous weapon, possession of a firearm by a felon and possession of a stolen motor vehicle. Panico is charged with accessory after the fact to murder. Both were being held without bond in Randolph County and were scheduled for a court appearance Monday, July 6.
The case leaves a clear record of how quickly the disappearance moved into a death investigation, but it also underscores how much of the sequence remains in the hands of detectives and prosecutors. The robbery and stolen-vehicle counts suggest investigators believe the killing was tied to other crimes, a detail that can shape how the case is presented in court and how serious the penalties could become if the charges hold.
Neighbors near the Dorsey Street house described limited activity there and a strong odor coming from the property before the discovery. For Greensboro, the case also added to a troubling count: by June 26, the city had recorded 15 homicides in 2026. Police have said the investigation is still active and are asking anyone with information to contact Greensboro/Guilford Crime Stoppers at 336-373-1000.
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