(WTTW News)

All legal gun owners would need to be fingerprinted under legislation that narrowly passed the Illinois House on Saturday – a practice that gun rights advocates say will prevent violence, but which critics say is an example of excessive government overreach.

Maria del Carmen Macias was asked by the city to test the water in her Belmont Cragin home, where she offers day care. (WTTW News)

Chicago has more lead service pipes than any other U.S. city. Last year the city announced a plan to slowly replace those lines, an effort which has yet to get underway. Now, state lawmakers want to tackle the toxic problem—and they want Congress to foot the bill.