The children are 3, 5, and 7 years old. Police discovered the children after receiving a tip from a concerned citizen about the children at about 6 p.m. Saturday They were in an apartment building in the 5000-block of North Harding Avenue on the North Side.
The mother, identified as 31-year-old Maria Cortez, was charged with three counts of misdemeanor child endangerment
The children were transported to Swedish Hospital where they were evaluated.
"No one was home and they were left alone," said neighbor Luisa Johnston. "That's sad and that's dangerous because they're babies."
DCFS is investigating.