The California Highway Patrol issued an Amber Alert for Arya Maldonado, 3, and Alana Maldonado, 2, who were reported missing from Hanford, California.

This article originally appeared on KCRA.com. HANFORD, Calif. — Law enforcement issued an Amber Alert for two San Joaquin Valley children after their mother was found dead. Officials believe the father is responsible for the kidnapping and her death.

The alert included Los Angeles, Orange, San Diego and Riverside counties, with the California Highway Patrol saying the suspect may have fled to Mexico. According to the Kings County Sheriff’s Office,