The headstone of Carol Lyn Lum, a 14-year-old girl who was killed in 1978, and her mother, Mona …

The headstone of Carol Lyn Lum, a 14-year-old girl who was killed in 1978, and her mother, Mona ...

The headstone of Carol Lyn Lum, a 14-year-old girl who was killed in 1978, and her mother, Mona Darnell, is seen at Palm Eastern Cemetery in Las Vegas on Friday, Oct. 4, 2019. (Chitose Suzuki / Las Vegas Review-Journal) @chitosephoto