The Last Stone
Mark Bowden · Grove Atlantic
A book-length account for readers who want more detail.
1975–2017 · Wheaton, Maryland; Bedford County, Virginia
Katherine & Sheila Lyon
Disappearances & cold cases
Sisters Katherine and Sheila Lyon disappeared after visiting Wheaton Plaza in Maryland in March 1975. A renewed investigation decades later led to Lloyd Lee Welch’s guilty pleas to their murders in 2017. Mark Bowden’s The Last Stone follows the cold-case detectives and the difficult work of testing Welch’s accounts.
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The Story
When1975–2017
WhereWheaton, Maryland; Bedford County, Virginia
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Books
1 itemsMark Bowden · Grove Atlantic
The Last Stone
Publisher page for the 2019 account of the renewed investigation. Its description gives March 29 for the disappearance; official police records give March 25, so use the police date.
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The Last Stone
Search Audiobook Editions · paid linkMark Bowden · Grove Atlantic
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News & Reading
News & reporting
1 itemsMontgomery County Police Department · 2017-09-12
Lloyd Welch pleads guilty to the murders of the Lyon sisters
Official police statement issued after Welch’s guilty pleas.
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Court & Files
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1 itemsAbout these sources
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Court document
2017 Annual Report on Crime and Safety: Lyon case account
The chief’s introductory message records March 25, 1975; the two first-degree felony-murder pleas; and a 48-year sentence.
Montgomery County Police Department
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