UPDATE 8:00 P.M. - Caleb Krizan was found safe Saturday evening according to the Lincoln County Sheriff's Office.
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A Missing Endangered Person Advisory was issued Saturday for 12-year-old Caleb Krizan, who was last seen on Thursday in Libby, Montana wearing an orange t-shirt, a black zip-up hoodie and jeans.
Krizan is described as a white male, 5-foot-5 with hazel eyes and blonde hair weighing 112 pounds.
Krizan is traveling with his grandmother, 54-year-old Rebecca Olney, who has a history of stroke and other medical conditions. She was supposed to return Caleb to his family on Thursday night.
"All contact has been lost, no response to cell phone, grandmother’s medical history and need for medication causes concern they may be endangered," according to a release from the Montana Department of Justice.
The pair are traveling in a light blue 2000 Ford Taurus with Montana disabled license plate CJB543. Possible destinations include the states of Montana, Washington, Idaho, North Dakota or New Hampshire.
Onley is described as a white female, 5-foot-2 with hazel eyes and brown hair weighing 245 pounds. Olney has a light complexion and tattoos on her hip and chest. She was last wearing a blue windbreaker and black sweatpants.
Olney has also gone by the names Rebecca Krizan and Rebecca Johnson.
Those with information of Krizan's whereabouts are asked to contact the Lincoln County Sheriff's Office at 406-293-4112 ext. 1, or call 911.