In this episode, we explore the tragic and long-unsolved disappearance of Katherine and Sheila Lyon, two sisters whose case became one of the most haunting missing-children stories in American history. On March 25, 1975, 10-year-old Sheila and 12-year-old Katherine Lyon left their home in Wheaton, Maryland, to walk to a nearby shopping mall. They never returned. What followed was a massive search, years of fear and speculation, and decades of unanswered questions that devastated their family and community. For over 40 years, the case remained cold—until a shocking break finally revealed the truth behind what happened to the Lyon sisters and the man responsible for their disappearance.

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Augenstein, N. (2025, January 8). Nearly 50 years after Lyon sisters disappeared Lloyd Lee Welch begins serving time for their murder. Retrieved from wtop News: https://wtop.com/local/2025/01/nearly-50-years-after-lyon-sisters-disappeared-lloyd-lee-welch-begins-serving-time-for-their-murders/

Babenok, K. (2024, November 5). Justice Denied People react to new evidence in 50 year old cold case of missing sisters. Retrieved from AOL: https://www.aol.com/evidence-resurfaces-50-old-case-153248172.html

Lavelle, M. (2025, June 9). How Investigators solved the gruesome Lyon sisters mystery after unearthing a 40 year old sketch. Retrieved from Ranker: https://www.ranker.com/list/facts-about-lyon-case/matthew-lavelle

Liddell, J. (2024, November 3). Nearly 50 years ago two sisters went for pizza and vanished. Investigators have now unearthed new evidence. Retrieved from The Independent: https://www.the-independent.com/news/world/americas/crime/lyon-sisters-lloyd-lee-welch-kidnapping-murder-b2639162.html

Lyon sister disappearance remains Kensington Heights biggest unsolved mystery. (n.d.). Retrieved from Kensington Heights MD: https://www.kensingtonheightsmd.org/lyon-sisters

Mehrotra, K. (2020, November 28). Lyon Sisters Murder: How did they die? Who killed them? Retrieved from The Cinemaholic: https://thecinemaholic.com/lyon-sisters-murder/

Murders of Katherine and Sheila Lyon. (n.d.). Retrieved from Wikipedia: https://en.wikipedia.org/wiki/Murders_of_Katherine_and_Sheila_Lyon

Sheila Mary Lyon. (n.d.). Retrieved from Charley Project: https://charleyproject.org/case/sheila-mary-lyon