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Yankton County Death Investigation Preliminary Autopsy Results Released

FOR IMMEDIATE RELEASE: Friday, December 29, 2017     
CONTACT:  Sara Rabern (605) 773-3215   

PIERRE, S.D. – Attorney General Marty Jackley and Yankton County Sheriff Jim Vlahakis advised today that preliminary autopsy results are complete in the investigation into the death of Justin Baron Arcoren, 18, Chamberlain. 

Arcoren was found deceased on December 24, 2017, at approximately 2:30 a.m. (CST) on U.S. Hwy 81, approximately 4 miles north of Yankton.  

Preliminary autopsy results indicate the cause and manner of death was accidental due to blunt force injury to the head and chest due to pedestrian struck by vehicle.

Agencies assisting in this investigation are the Yankton County Sheriff’s Office, South Dakota Highway Patrol and the Division of Criminal Investigation.