Jeffrey Chad Williams, 40, was last known to be in Phoenix, Arizona, and had a last known address in Tecate, Baja California Norte, Mexico. He holds dual U.S.-Mexico citizenship.

The O’Fallon Police Department in Illinois is handling the missing person report, which was filed on September 28, 2023. The report lists his last known location as Tacome, Mexico, which appears to be a misspelling of Tecate. Physical description: brown hair, hazel eyes, about 5 feet 10 inches to 5 feet 11 inches tall and 150 to 170 pounds.

Key unanswered questions include where he was between 2019 and his last online activity at the end of 2022, and why a report was not filed until September 2023. If anyone knew Jeffrey’s travel patterns, residences in Phoenix or Tecate, or saw him after December 31, 2022, please share what happened or contact the investigating agency.