In 1985, in two small towns in Massachusetts, 16-year-old Cathy Malcolmson and 9-year-old Sarah Pryor go missing within 2 months of each other.
When bone fragments are found, investigators are led to one person of interest.
Sources:
1) https://www.doenetwork.org/cases/313dfma.html
2) https://charleyproject.org/case/catherine-ruth-malcolmson
3) https://rcccmcc.com/2019/10/09/catherine-ruth-malcomson/
4) https://www.mass.gov/info-details/sarah-pryor
5) https://www.sara.org/page/sarahp/
6) https://law.justia.com/cases/massachusetts/court-of-appeals/volumes/27/27massappct498.html
7) https://www.wickedlocal.com/story/wayland-town-crier/2011/04/13/suspect-in-sarah-pryor-murder/38371268007/
8) https://www.waylandenews.com/tag/sarah-pryor/
9) https://www.bostonglobe.com/2022/08/04/metro/when-man-you-believe-murdered-your-daughter-dies/