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September 8, 2025 20 mins

In the summer of 1989, an 18-year-old girl vanished after a night out with friends in Newaygo, Michigan. Three months later, a hunter made a chilling discovery deep in the Manistee National Forest—her brutally beaten body. For decades, her murder went cold, haunting the tight-knit community and leaving her family desperate for answers. Join John Conner as he dives deep into the dark to discuss part 1 of the murder of Shannon Siders. Will this case be enough to make you check the locks?

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday. 

Sources:

https://www.newspapers.com/image/1180338475/?match=1&terms=Shannon%20Siders

https://www.newspapers.com/image/1119315155/?match=1&terms=Shannon%20Siders%20Funeral

https://www.newspapers.com/image/1119174954/?match=1&terms=Shannon%20Siders

https://books.google.com/books?id=svQDAAAAMBAJ&pg=PA9&lpg=PA9&dq=Shannon+Siders+murder&source=bl&ots=B6cTRm9aLp&sig=y-4AX_ZnTXvgiN9Mr8rH1g569E8&hl=en&ei=dpf6S_KsGoyENvHUqIQI&sa=X&oi=book_result&ct=result&resnum=3&ved=0CBoQ6AEwAg#v=onepage&q&f=false

New Evidence Solves 25 Year Old Cold Case | Psychology Today

Anatomy of a cold case: 10 breaks that helped solve 1989 murder - mlive.com

Why Did It Take So Long to Solve the Murder of West Michigan's Shannon Siders?

Entire Town Was a Suspect—22 Years to Solve Shannon’s Murder (S1, E9) | Cold Case Files | Full Ep



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