A credit card belonging to Burton also was discarded in the ditch, according to the affidavit.
Dewberry was photographed by a surveillance camera at an Oklahoma City hotel in Burton's pickup, along with York and King, the affidavit states.
The surveillance camera also caught images of the three of them loading and unloading items from Burton's pickup, the affidavit states.
Burton's body was discovered inside his burning house about 11 a.m. Feb. 13. Investigators said the house had been ransacked and items stolen from it.
Both Walker and Dewberry are being held in the Cleveland County jail. Walker was arrested Thursday in Del City, and Dewberry was arrested Friday night in Del City, police say.
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