Okaloosa County Sheriff's Office

Published: Sep 05, 2013 8:31 AM EDT

CRESTVIEW, Fla. (AP) - The Okaloosa County Sheriff's Office is resubmitting evidence to the Florida Department of Law Enforcement 32 years after a man's body was found near some picnic tables at a Florida Panhandle rest stop.
    
Sheriff's investigator Randall Joiner says they're hoping to find "foreign" DNA that will eventually lead them to a suspect in the killing of 42-year-old Bert Eldon Gross.
    
The Northwest Florida Daily News (http://bit.ly/15FLGfl ) reports Gross was on his way from Fort Myers to Phoenix when he apparently stopped at a rest stop along Interstate 10 near Crestview on Feb. 22, 1981.
    
Investigators initially had a suspect, but he passed a polygraph test and later died.
    
Gross's gun, which he was killed with, was never found. His truck was found weeks after the shooting in Bay County.
    
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Information from: Northwest Florida Daily News (Fort Walton Beach, Fla.), http://www.nwfdailynews.com

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