7 of History’s Most Notorious Serial Killers: References & Edit History
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| Type | Description | Contributor | Date |
|---|---|---|---|
| Replaced H.H. Holmes with Richard Ramirez. | Nov 10, 2026 | ||
| Added a module for related content. | Sep 05, 2025 | ||
| Media added. | Jun 24, 2025 |
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