Cody Armstrong is in police custody.
Police said the kids were found based on tips from the Amber Alert.
The new emergency broadcast system has sparked a spike in 911 complaints.
The child and his mother are safe, police say.
The frantic search for 11-year-old Riya Rajkumar ended when she was found dead.
People who received the alert were shocked by the word choice.
Police say to call 911 if you see the boy or suspect.
Adults seek help from other adults, not kids.
The child abducted is, Hailey Dunbar-Blanchette, age 2, a caucasian female child, small build, light brown, straight hair with bangs, and brown eyes.