Authorities were searching for Ethan Donnelley, who vanished out of Point, Texas, which is 70 miles east of Dallas.
The video above described what an Amber Alert is.
Texas DPS officials sent an urgent statewide notification at about 4:30 p.m., adding that he may have been with 36-year-old Sylvia Lopez.
Details of Donnelley's location were not immediately disclosed.