Officials with the Obion County Sheriff's Department have issued a West Tennessee Amber Alert for a missing 3-year-old girl Jilleeann Calderon and a missing 3-year-old boy James Brown.
Officers believe their mother's boyfriend, 51-year-old Terry Nichols, took the two. Nichols is described as 5 feet 9 inches tall, 230 pounds and with brown eyes and green hair.
Nichols also allegedly abducted his 16-year-old niece Ashley Burse from a Wal-Mart in Kennett, Missouri along with her three month old girl Ava Burse.
Missouri officials said Burse is the biological child of Nichols.
Nichols faces criminal charges for child abuse as well as aggravated kidnapping and is known to be armed.
The children may be traveling in a while Dodge Caravan with license plate number 286WPL. Anyone with information should call the Obion County Sheriff's Department at 731-885-5832 or TBI at 1-800-TBI-FIND.