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295 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Collin Sidori, a 33-year-old Black / African American male, was last in contact with his family by phone on June 23, 2022. At the time, he was in Grand Canyon Village, Arizona. Described as being between 6'0" and 6'2" tall and weighing between 160 and 180 pounds, Collin has black hair and black eyes. He was known to be clean-shaven, even if he had a beard. His life in the scenic but vast expanse of the Grand Canyon area adds a layer of complexity to his sudden disappearance. The lack of contact with his loved ones was out of character, prompting concern and eventually a missing person investigation.

The circumstances surrounding Collin's disappearance remain largely unclear. Official information indicates that he had not been employed in the Grand Canyon area since December 17, 2024, nearly two and a half years after his last known contact. There has been no reported vehicle associated with him, and details about his whereabouts or movements after he left Grand Canyon Village are non-existent. The National Park Service at the Grand Canyon is the investigating agency, handling the case that was officially reported on June 16, 2026. The considerable gap between his last contact and the official report date suggests a period of uncertainty and hope that he might independently re-establish communication.

The investigation into Collin Sidori's whereabouts is ongoing, with law enforcement seeking any information that could lead to a breakthrough. His case is a poignant reminder of the many individuals who go missing each year, leaving behind families and friends in a state of perpetual worry. The lack of concrete leads, such as a vehicle or a clear last known location after his phone call, makes the search particularly challenging. The overview of this case highlights a young man who seemingly vanished from a well-known, yet immense, natural wonder, leaving a void of information and a family waiting for answers.

Last Seen: Jun 23, 2022

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