09/11/2026
THREE ARRESTED FOLLOWING HOMICIDE INVESTIGATION IN ANTLERS
FOR IMMEDIATE RELEASE:
SEPTEMBER 11, 2026
ANTLERS, OK - On September 2, 2026, the Pushmataha County Sheriff's Office requested the Oklahoma State Bureau of Investigation to investigate a homicide.
That morning, deputies responded to a business in the 100 block of Northwest E Street in Antlers. A caller had told dispatchers they witnessed a homicide.
Deputies and OSBI special agents immediately began processing the scene. Based on the information gathered, investigators identified three persons of interest.
Arrest warrants were issued by the Pushmataha County District Court for 29-year-old David Basham, 28-year-old Bonnie Simpson, and 25-year-old Kolby Osterdock.
On September 8, 2026, Osterdock was located and arrested by the Idabel Police Department and booked into the McCurtain County Jail on Accessory to Murder. On September 10, 2026, Simpson was arrested by the United States Marshals Service and also booked into the McCurtain County Jail on Accessory to Murder.
On September 11, 2026, Basham was located in Wisconsin by the United States Marshals Service and booked into the Sheyboygan County Jail in Wisconsin on a First-Degree Murder complaint.
At this time, investigators are still searching for the adult male victim. Anyone with additional information regarding this case is asked to contact the OSBI tip line at [email protected] or 1-800-522-8017.
The OSBI appreciates the United States Marshals Service, Idabel Police Department, McCurtain County Sheriff’s Department, and the Pushmataha County Sheriff’s Office for their continued assistance with this investigation.
*Charges are merely an accusation and the accused is presumed innocent until and unless proven guilt.