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  • Writer's pictureDennis McCaslin

Roland man among six arrested in Osage County murder conspiracy case

Osage County Sheriff Eddie Virden announced this week that the Osage County Sheriff’s Office Investigation Team has made six arrests in connection with the murder of Corey Dell Sequichie.] whose body was located in a rural location in November.

Sheriff Virden said officials believe the six people who have been arrested so far are the key people involved in Sequichie’s murder. One of the arrests was made in Sequoyah County.

Dillan Joseph Plank

Twenty-nine-year-old Dillan Joseph Plank of Roland was booked into the Osage County Detention Center on December 16. Dacia Rae Dorris, Robert DeWayne McCully, Randy Alex McDonald, Nolan Gilland Osten, and Justin Daniel Jordan . were arrested in addition to Plank.

Plank, Osteen, and Dorris remain in custody and are charged with Conspiracy to Commit a Felony.

"This has been lengthy investigation with numerous search warrants issued on several residences and other items", Verdan said. "Our Investigation Team has spent hundreds of hours working this investigation, which is still ongoing and expect more arrests to be made as it continues."

"This investigation has led the Osage County Investigation Team all across northeastern Oklahoma, along with one arrest being made in Sequoyah County, " said Verden . "We have received much assistance from the Tulsa Police Department, the Tulsa County Sheriff’s Office, the Oklahoma Department of Corrections, the Department of Homeland Security, the US Marshal’s Service, the FBI, the Glenpool Police Department, the Sequoyah County Sheriff’s Office, the Adair County Sheriff’s Office, the Pryor Police Department, Muskogee Creek Nation Lighthorse Police, and numerous other agencies."

Sheriff Virden will release further information about the investigation at a later date.

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