Two men died Sunday night after being stabbed at 585 State Road in Rockbridge.
Ronald Plummer, 55, and 54-year-old Billy Plummer were pronounced dead by the Greene County Coroner’s Office shortly after the stabbing, which occurred at 10:38 p.m.
The suspect fled the scene, according to Illinois State Police Lt. Sara Cox said, but was later arrested in Macoupin County.
Cox said police believe the the two men knew the suspect prior to the stabbing.
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The Illinois State Police investigations unit is handling the case.
Cox said more information would be released Monday afternoon.
The Green County Coroner was conducting the autopsy on the men Monday morning.