An Amber Alert for three abducted children ages 6 and under was issued out of Kempner in Lampasas County Friday night.
Authorities are searching for Kristen Robertson, 3, Christopher Robertson II, 6, and Christine Robertson, 4.
The suspect, 35-year-old Kristine Whitehead, failed to appear for a custody hearing and was last seen in a white, 2007 Toyota Tundra with Texas license plate GJZ8544.
Clothing the children were last seen wearing is unknown, according to the alert.
