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July 14, 2025 39 mins

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Shelly Knotek or “Crazy Shelly” is one of America’s most infamous serial killer mothers. She seemed to have a perfect life- a caring husband and raising her three daughters in a home in rural Raymond, Washington. Shelly and her husband David were known for their selflessness and invited struggling friends and relatives to live with them. But then, those guests began to disappear. In 2003, she was arrested after her daughters went to the authorities, revealing the truth about the horrific crimes committed by not only their mother but as well as their father David. So, why did Shelly and David Knotek kill their family and friends whom they took into their home?

References:

Michelle Knotek – Serial Mom | The Scare Chamber

The Malevolent Mother Shelly Knotek | BroadBiography

Vicious killer Shelly Knotek tortured and murdered her lodgers inspiring 'If You Tell' book

David Knotek, Shelly Knotek’s Abused Husband And Accomplice

The Messed Up Truth About Serial Killer Mom Shelly Knotek

Michelle Knotek | Photos | Murderpedia, the encyclopedia of murderers

Kids of murderer Michelle 'Shelly' Knotek warn their mom could kill again

Michelle Knotek's Daughters Warn She's Still A Danger As Prison Release Nears

Shelly Knotek, The Serial Killer Mom Who Tortured Her Own Kids

America's 'most evil' mother Shelly Knotek is released from prison | Daily Mail Online

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