Chicago's rodent problem is well known, but a new pilot program testing rat birth control to curb the population in problem ...

Chicago’s rodent problem is well known, but a new pilot program testing rat birth control to curb the population in problem areas is underway to help rein it in.

Two rodent control workers patrol Chicago’s alleys looking for telltale signs of rats. Two rodent control workers show Geoffrey Baer the telltale signs that rats have taken up residence in one of ...