BOISE, Idaho -- Authorities in southwest Idaho issued an Amber Alert early Sunday morning for three children who police say weren't returned to their foster home after a visit with their non-custodial mother.
Police in Caldwell say 35-year-old Bertha Alicia Guerrero-Lopez picked up the children about 3 p.m. Friday but didn't return them at the scheduled time of 3 p.m. Saturday.
Authorities say Guerrero-Lopez has a residence in Nevada and a history of drug abuse and child abandonment.
She is described as 5-foot-1, 139 pounds with brown hair and brown eyes.
Police say they may be traveling in a grey 1986 Pontiac with Nevada license plate number 389 XPR.
The children are 9-year-old Ubaldo Guerrero-Lopez Jr. (left), 7-year-old Mirella Guerrero-Lopez (center), and 5-year-old Esmerelda Guerrero-Lopez (right).