KARNAK -- The Illinois State Police is counting on publicity of the 30th anniversary of an unsolved southern Illinois killing to draw the public's help in solving the case.
State police said in an advisory Wednesday that the milestone in the case of 26-year-old victim Lisa Ann Carnes will be March 30.
Authorities say Carnes' body was found in a rural Massac County field in 1984.
State police say hundreds of leads have been vetted, and the case remains active.
Anyone with information about the case is asked to call state police Sgt. Chad Brown at (618) 845-3740, extension 282.