WHO KILLED SHARON JEAN REHER?

According to https://www.websleuths.com/forums/threads/wy-sharon-reher-20-raped-murdered-laramie-16-april-1972.255047/ , Sharon Jean Reher was brutally beaten and killed on April 16 1972 inside her own home located at 810 Kearney Street (it is not known whether east or west, but in any case not far from the Laramie River) in Laramie in the county of Albany in Wyoming. The victim (who