Roofing contractors have descended on Lake Zurich in what officials are warning is a "feeding frenzy" following last month's hail storm. Rob Pollack estimates about 50 contractors have knocked on his door. "It is disgusting," said Pollack, who has owned his roofing business, Exteriors by Design in Lake Zurich, for 35 years. "They only come around when there are storms. They're like leeches. They don't stop begging and people fall prey to them."    Read more.