WHO KILLED JODY GEWEN LOOMIS?

According to https://it.findagrave.com/memorial/198291634/jody-gewen-loomis, Jody Gewen Loomis (Rosemary’s daughter) was killed on August 23, 1972, shot in the back by a .22 caliber pistol on a dirt road while she was cycling to her ranch, where she had a horse, called Saudi. The victim was also raped and partially undressed by her attacker and later died